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The heart symbol is an
ideograph An ideogram or ideograph (from Greek "idea" and "to write") is a graphic symbol that represents an idea or concept, independent of any particular language, and specific words or phrases. Some ideograms are comprehensible only by familiarit ...
used to express the idea of the "heart" in its
metaphorical A metaphor is a figure of speech that, for rhetorical effect, directly refers to one thing by mentioning another. It may provide (or obscure) clarity or identify hidden similarities between two different ideas. Metaphors are often compared with ...
or
symbol A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. Symbols allow people to go beyond what is known or seen by creating linkages between otherwise very different conc ...
ic sense. Represented by an anatomically inaccurate shape, the heart symbol is often used to represent the center of
emotion Emotions are mental states brought on by neurophysiological changes, variously associated with thoughts, feelings, behavioral responses, and a degree of pleasure or displeasure. There is currently no scientific consensus on a definition. ...
, including
affection Affection or fondness is a "disposition or state of mind or body" that is often associated with a feeling or type of love. It has given rise to a number of branches of philosophy and psychology concerning emotion, disease, influence, and sta ...
and
love Love encompasses a range of strong and positive emotional and mental states, from the most sublime virtue or good habit, the deepest Interpersonal relationship, interpersonal affection, to the simplest pleasure. An example of this range of ...
, especially
romantic love Romance or romantic love is a feeling of love for, or a Interpersonal attraction, strong attraction towards another person, and the Courtship, courtship behaviors undertaken by an individual to express those overall feelings and resultant emot ...
. It is sometimes accompanied or superseded by the "wounded heart" symbol, depicted as a heart symbol pierced with an
arrow An arrow is a fin-stabilized projectile launched by a bow. A typical arrow usually consists of a long, stiff, straight shaft with a weighty (and usually sharp and pointed) arrowhead attached to the front end, multiple fin-like stabilizers c ...
or as a heart symbol "broken" into two or more pieces, indicating
lovesickness Lovesickness refers to an affliction that can produce negative feelings when deeply in love, during the absence of a loved one or when Unrequited love, love is unrequited. The term "lovesickness" is rarely used in modern medicine and psychology, ...
.


History


Similar shapes from antiquity

Peepal ''Ficus religiosa'' or sacred fig is a species of fig native to the Indian subcontinent and Indochina that belongs to Moraceae, the fig or mulberry family. It is also known as the bodhi tree, pippala tree, peepul tree, peepal tree, pipal tree, ...
leaves were used in artistic depictions of the
Indus Valley civilisation The Indus Valley Civilisation (IVC), also known as the Indus Civilisation was a Bronze Age civilisation in the northwestern regions of South Asia, lasting from 3300 BCE to 1300 BCE, and in its mature form 2600 BCE to 1900&n ...
: a heart-shaped pendant originating from there has been discovered and is now exhibited in the Delhi national museum. In the 5th–6th century BC, the heart shape was used to represent the heart-shaped fruit of the plant
silphium Silphium (also known as ''silphion'', ''laserwort'', or ''laser'') is an unidentified plant that was used in classical antiquity as a seasoning, perfume, aphrodisiac, and medicine. It also was used as a contraceptive by ancient Greeks and Romans ...
, a plant possibly used as a contraceptive and an aphrodisiac.''Did the ancient Romans use a natural herb for birth control?''
The Straight Dope "The Straight Dope" was a question-and-answer newspaper column written under the pseudonym Cecil Adams. Contributions were made by multiple authors, and it was illustrated (also pseudonymously) by Slug Signorino. It was first published in 1973 in ...
, October 13, 2006
Silver coins from Cyrene of the 5th–6th century BC bear a similar design, sometimes accompanied by a silphium plant and is understood to represent its seed or fruit. Since ancient times in
Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
, the heart symbol has been called ''Inome'' (猪目) meaning the eye of a
wild boar The wild boar (''Sus scrofa''), also known as the wild swine, common wild pig, Eurasian wild pig, or simply wild pig, is a suid native to much of Eurasia and North Africa, and has been introduced to the Americas and Oceania. The species is ...
, and it has the meaning of warding off evil spirits. The decorations are used to decorate
Shinto shrines A is a structure whose main purpose is to house ("enshrine") one or more ''kami'', the deities of the Shinto religion. Overview Structurally, a Shinto shrine typically comprises several buildings. The '' honden''Also called (本殿, meani ...
,
Buddhist temples A Buddhist temple or Buddhist monastery is the place of worship for Buddhists, the followers of Buddhism. They include the structures called vihara, chaitya, stupa, wat and pagoda in different regions and languages. Temples in Buddhism represent ...
,
castles A castle is a type of fortified structure built during the Middle Ages predominantly by the nobility or royalty and by military orders. Scholars debate the scope of the word ''castle'', but usually consider it to be the private fortified r ...
and weapons. The oldest examples of this pattern are seen in some of the Japanese original ''
tsuba Japanese sword mountings are the various housings and associated fittings ('' tosogu'') that hold the blade of a Japanese sword when it is being worn or stored. refers to the ornate mountings of a Japanese sword (e.g. ''katana'') used when the ...
'' (sword guard) of the style called ''toran gata tsuba'' (lit., inverted egg shaped ''tsuba'') that were attached to swords from the sixth to seventh centuries, and part of the ''tsuba'' was hollowed out in the shape of a heart symbol.


Earliest use

The combination of the heart shape and its use within the heart metaphor was developed in the end of the
Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...
, although the shape has been used in many ancient epigraphy monuments and texts. With possible early examples or direct predecessors in the 13th to 14th century, the familiar symbol of the heart representing love developed in the 15th century, and became popular in Europe during the 16th. Before the 14th century, the heart shape was not associated with the meaning of the heart metaphor. The geometric shape itself is found in much earlier sources, but in such instances does not depict a heart, but typically foliage: in examples from antiquity
fig The fig is the edible fruit of ''Ficus carica'', a species of small tree in the flowering plant family Moraceae. Native to the Mediterranean and western Asia, it has been cultivated since ancient times and is now widely grown throughout the world ...
leaves, and in medieval iconography and heraldry typically the leaves of
ivy ''Hedera'', commonly called ivy (plural ivies), is a genus of 12–15 species of evergreen climbing or ground-creeping woody plants in the family Araliaceae, native to western, central and southern Europe, Macaronesia, northwestern Africa and ...
and of the water-lily. The first known depiction of a heart as a symbol of romantic love dates to the 1250s. It occurs in a miniature decorating a capital 'S' in a manuscript of the French . In the miniature a kneeling lover (or more precisely, an allegory of the lover's "sweet gaze" or ) offers his heart to a damsel. The heart here resembles a pine cone (held "upside down", the point facing upward), in accord with medieval anatomical descriptions. However, in this miniature what suggests a heart shape is only the result of a lover's finger superimposed on an object; the full shape outline of the object is partly hidden, and therefore unknown. Moreover, the French title of the manuscript that features the miniature translates into "Novel Of The Pear" in English. Thus the heart shaped object would be a pear; the conclusion that a pear represents a heart is dubious. Opinions therefore differ over this being the first depiction of a heart as symbol of romantic love.Vinken (2001).
Giotto Giotto di Bondone (; – January 8, 1337), known mononymously as Giotto ( , ) and Latinised as Giottus, was an Italian painter and architect from Florence during the Late Middle Ages. He worked during the Gothic/Proto-Renaissance period. Giot ...
in his 1305 painting in the
Scrovegni Chapel The Scrovegni Chapel ( it, Cappella degli Scrovegni ), also known as the Arena Chapel, is a small church, adjacent to the Augustinian order, Augustinian monastery, the ''Monastero degli Eremitani'' in Padua, Italy, Padua, region of Veneto, I ...
(
Padua Padua ( ; it, Padova ; vec, Pàdova) is a city and ''comune'' in Veneto, northern Italy. Padua is on the river Bacchiglione, west of Venice. It is the capital of the province of Padua. It is also the economic and communications hub of the ...
) shows an allegory of charity (caritas) handing her heart to
Jesus Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label=Hebrew/Aramaic ( AD 30 or 33), also referred to as Jesus Christ or Jesus of Nazareth (among other names and titles), was a first-century Jewish preacher and religious ...
Christ Jesus, likely from he, יֵשׁוּעַ, translit=Yēšūaʿ, label=Hebrew/Aramaic ( AD 30 or 33), also referred to as Jesus Christ or Jesus of Nazareth (among other Names and titles of Jesus in the New Testament, names and titles), was ...
. This heart is also depicted in the pine cone shape based on anatomical descriptions of the day (still held "upside down"). Giotto's painting exerted considerable influence on later painters, and the motive of Caritas offering a heart is shown by
Taddeo Gaddi Taddeo Gaddi (c. 1290, in Florence – 1366, in Florence) was a medieval Italian painter and architect. He was the son of Gaddo di Zanobi, called Gaddo Gaddi. He was a member of Giotto's workshop from 1313 until the master's death in 1337. A ...
in Santa Croce, by
Andrea Pisano Andrea Pisano (Pontedera 12901348 Orvieto) also known as Andrea da Pontedera, was an Italian sculptor and architect. Biography Pisano first learned the trade of a goldsmith. Pisano then became a pupil of Mino di Giovanni, about 1300, and work ...
on the bronze door of the south porch of the
Florence Baptistery The Florence Baptistery, also known as the Baptistery of Saint John ( it, Battistero di San Giovanni), is a religious building in Florence, Italy, and has the status of a minor basilica. The octagonal baptistery stands in both the Piazza del ...
(), by
Ambrogio Lorenzetti Ambrogio Lorenzetti (; – 9 June 1348) or Ambruogio Laurati was an Italian painter of the Sienese school. He was active from approximately 1317 to 1348. He painted ''The Allegory of Good and Bad Government'' in the Sala dei Nove (Salon of Nine ...
in the Palazzo Publico in Siena () and by
Andrea da Firenze Andreas de Florentia (also known as Andrea da Firenze, Andrea de' Servi, Andrea degli Organi and Andrea di Giovanni; died 1415) was a Florentine composer and organist of the late medieval era. Along with Francesco Landini and Paolo da Firenze ...
in
Santa Maria Novella Santa Maria Novella is a church in Florence, Italy, situated opposite, and lending its name to, the city's main railway station. Chronologically, it is the first great basilica in Florence, and is the city's principal Dominican church. The chu ...
in Florence (). The convention of showing the heart point upward switches in the late 14th century and becomes rare in the first half of the 15th century. The "scalloped" shape of the now-familiar heart symbol, with a dent in its base, arises in the early 14th century, at first only lightly dented, as in the miniatures in
Francesco da Barberino Francesco di Neri di Ranuccio, known better as Francesco da Barberino (1264–1348), was a Tuscan notary, doctor of law and author. He first went to Florence to study in 1281. Between 1303 and 1314 and again between 1315 and 1317, he was exiled f ...
's (before 1320). A slightly later example with a more pronounced dent is found in a manuscript from the
Cistercian The Cistercians, () officially the Order of Cistercians ( la, (Sacer) Ordo Cisterciensis, abbreviated as OCist or SOCist), are a Catholic religious order of monks and nuns that branched off from the Benedictines and follow the Rule of Saint ...
monastery in Brussels. The convention of showing a dent at the base of the heart thus spread at about the same time as the convention of showing the heart with its point downward. The modern indented red heart has been used on
playing card A playing card is a piece of specially prepared card stock, heavy paper, thin cardboard, plastic-coated paper, cotton-paper blend, or thin plastic that is marked with distinguishing motifs. Often the front (face) and back of each card has a fi ...
s since the late 15th century. Various hypotheses attempted to connect the "heart shape" as it evolved in the
Late Middle Ages The Late Middle Ages or Late Medieval Period was the Periodization, period of European history lasting from AD 1300 to 1500. The Late Middle Ages followed the High Middle Ages and preceded the onset of the early modern period (and in much of Eur ...
with instances of the geometric shape in antiquity.The Shape of My Heart: Where did the ubiquitous Valentine's symbol come from?
by Keelin McDonell,
Slate.com ''Slate'' is an online magazine that covers current affairs, politics, and culture in the United States. It was created in 1996 by former '' New Republic'' editor Michael Kinsley, initially under the ownership of Microsoft as part of MSN. In 20 ...
, Tuesday, Feb. 13, 2007.
Such theories are modern, proposed from the 1960s onward, and they remain speculative, as no continuity between the supposed ancient predecessors and the late medieval tradition can be shown. Specific suggestions include: the shape of the seed of the
silphium Silphium (also known as ''silphion'', ''laserwort'', or ''laser'') is an unidentified plant that was used in classical antiquity as a seasoning, perfume, aphrodisiac, and medicine. It also was used as a contraceptive by ancient Greeks and Romans ...
plant, used in ancient times as an herbal contraceptive, and stylized depictions of features of the human female body, such as the female's
breasts The breast is one of two prominences located on the upper ventral region of a primate's torso. Both females and males develop breasts from the same embryological tissues. In females, it serves as the mammary gland, which produces and secret ...
,
buttocks The buttocks (singular: buttock) are two rounded portions of the exterior anatomy of most mammals, located on the posterior of the pelvic region. In humans, the buttocks are located between the lower back and the perineum. They are composed ...
, pubic mound, or spread
vulva The vulva (plural: vulvas or vulvae; derived from Latin for wrapper or covering) consists of the external sex organ, female sex organs. The vulva includes the mons pubis (or mons veneris), labia majora, labia minora, clitoris, bulb of vestibu ...
. File:Roman de la poire heart metaphor.jpg, The earliest known possible visual depiction of a heart symbol, as a lover hands his heart to the beloved lady, in a manuscript of the , 13th century. File:Giotto di Bondone - No. 45 The Seven Virtues - Charity - WGA09272.jpg, Giotto's allegory of charity handing her heart to Jesus Christ () File:Battistero di firenze, porta sud di andrea pisano 23 carità.JPG, Charity on the south doors of the Florence Baptistery ()


Renaissance and early modern

Heart shapes can be seen on various
stucco Stucco or render is a construction material made of aggregates, a binder, and water. Stucco is applied wet and hardens to a very dense solid. It is used as a decorative coating for walls and ceilings, exterior walls, and as a sculptural and a ...
reliefs and wall panels excavated from the ruins of
Ctesiphon Ctesiphon ( ; Middle Persian: 𐭲𐭩𐭮𐭯𐭥𐭭 ''tyspwn'' or ''tysfwn''; fa, تیسفون; grc-gre, Κτησιφῶν, ; syr, ܩܛܝܣܦܘܢThomas A. Carlson et al., “Ctesiphon — ܩܛܝܣܦܘܢ ” in The Syriac Gazetteer last modi ...
, the
Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...
capital (). The
Luther rose The Luther seal or Luther rose is a widely recognized symbol for Lutheranism. It was the seal that was designed for Martin Luther at the behest of John Frederick of Saxony in 1530, while Luther was staying at the Coburg Fortress during the Diet ...
was the
seal Seal may refer to any of the following: Common uses * Pinniped, a diverse group of semi-aquatic marine mammals, many of which are commonly called seals, particularly: ** Earless seal, or "true seal" ** Fur seal * Seal (emblem), a device to impr ...
that was designed for
Martin Luther Martin Luther (; ; 10 November 1483 – 18 February 1546) was a German priest, theologian, author, hymnwriter, and professor, and Order of Saint Augustine, Augustinian friar. He is the seminal figure of the Reformation, Protestant Refo ...
at the behest of Prince John Frederick, in 1530, while Luther was staying at the
Coburg Coburg () is a town located on the Itz river in the Upper Franconia region of Bavaria, Germany. Long part of one of the Thuringian states of the Wettin line, it joined Bavaria by popular vote only in 1920. Until the revolution of 1918, it was ...
Fortress during the
Diet of Augsburg The Diet of Augsburg were the meetings of the Imperial Diet of the Holy Roman Empire held in the German city of Augsburg. Both an Imperial City and the residence of the Augsburg prince-bishops, the town had hosted the Estates in many such sess ...
. Luther wrote an explanation of the symbol to
Lazarus Spengler Lazarus Spengler (March 13, 1479 in Nuremberg – September 7, 1534 in Nuremberg) was a prominent supporter of Martin Luther and leader of the Protestant Reformation in Nuremberg, as well as a famous hymnwriter. Life and career Spengler was t ...
: "a black cross in a heart, which retains its natural color, so that I myself would be reminded that faith in the Crucified saves us. 'For one who believes from the heart will be justified' (
Romans Roman or Romans most often refers to: *Rome, the capital city of Italy * Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a lette ...
10:10)." The
aorta The aorta ( ) is the main and largest artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries (the common iliac arteries). The aorta distributes ...
remains visible, as a protrusion at the top centered between the two "chambers" indicated in the symbol, in some depictions of the Sacred Heart well into the 18th century, and is partly still shown today (although mostly obscured by elements such as a crown, flames, rays, or a cross) but the "hearts" suit did not have this element since the 15th century. File:CordierColor.jpg, The chanson ''Belle, Bonne, Sage'' by
Baude Cordier Baude Cordier () was a French composer in the style of late medieval music. Virtually nothing is known of Cordier's life, aside from an inscription on one of his works which indicates he was born in Rheims and had a Master of Arts. Some scholar ...
, written in the shape of a heart, in the
Chantilly Codex The Chantilly Codex (''Chantilly, Musée Condé MS 564'') is a manuscript of medieval music containing pieces from the style known as the ''Ars subtilior''. It is held in the museum at the Château de Chantilly in Chantilly, Oise. Most of the co ...
. This is one of two dedicatory pieces placed at the beginning of the older (late 14th century) corpus, probably to replace the original first fascicle, which is missing. File:Sacré-Coeur Köln.jpg, Early depiction of the Heart of Jesus in the context of the Five Wounds (the wounded heart here depicting Christ's wound inflicted by the
Lance of Longinus The Holy Lance, also known as the Lance of Longinus (named after Saint Longinus), the Spear of Destiny, or the Holy Spear, is the lance that pierced the side of Jesus as he hung on the cross during his crucifixion. Biblical references The l ...
) in a 15th century manuscript. File:Waldburg-Gebetbuch 023 detail.jpg, 1486 depiction of the Five Wounds File:Petit Livre d'Amour 6r.jpg, Miniature from the (), showing the author depositing his heart in a marguerite flower (symbolizing his mistress, who was called Marguerite). Also worth mentioning is the miniature on fol. 13r, showing two women catching winged hearts in a net. File:Fotothek df tg 0004102 Wappen ^ Siegel ^ Lutherwappen ^ Lutherrose ^ Reformation.jpg, The
Luther rose The Luther seal or Luther rose is a widely recognized symbol for Lutheranism. It was the seal that was designed for Martin Luther at the behest of John Frederick of Saxony in 1530, while Luther was staying at the Coburg Fortress during the Diet ...
, 1706 print after the 1530 design. File:1545GermanCardDeck.jpg, Hearts suit in a 1540s German deck of playing cards File:Hjertebogen.jpg, The Danish "
Heart Book The so-called ''Heart Book'' (''Hjertebog'', Copenhagen, Kongelige Bibliotek, Thott 1510, 4º) is a 16th-century Danish manuscript (Thott 1510 4o), now kept in Det Kongelige Bibliotek, Copenhagen. It is a collection of 83 Danish love ballads, co ...
", a heart-shaped manuscript of love ballads from the 1550s. File:Champaigne, Philippe de - Saint Augustin - 1645-1650.jpg,
Augustine of Hippo Augustine of Hippo ( , ; la, Aurelius Augustinus Hipponensis; 13 November 354 – 28 August 430), also known as Saint Augustine, was a theologian and philosopher of Berber origin and the bishop of Hippo Regius in Numidia, Roman North Af ...
holding a heart in his hand which is set alight by a ray emanating from divine Truth (''Veritas''), painting by
Philippe de Champaigne Philippe de Champaigne (; 26 May 1602 – 12 August 1674) was a Brabançon-born French Baroque era painter, a major exponent of the French school. He was a founding member of the Académie de peinture et de sculpture in Paris, the premier art ...
, . File:Robert la Longe - Ranjeno srce Jezusovo.jpg, Allegorical painting of the
Sacred Heart of Jesus The Most Sacred Heart of Jesus ( la, Cor Jesu Sacratissimum) is one of the most widely practised and well-known Catholic devotions, wherein the heart of Jesus is viewed as a symbol of "God's boundless and passionate love for mankind". This dev ...
. The central heart radiates hearts gathered up by
Putti A putto (; plural putti ) is a figure in a work of art depicted as a chubby male child, usually naked and sometimes winged. Originally limited to profane passions in symbolism,Dempsey, Charles. ''Inventing the Renaissance Putto''. University of ...
. By Robert la Longe, . File:Bleiernes Herz Christoph-Otto von Velen.jpg, Leaden heart of
Raesfeld Raesfeld () is a municipality in the district of Borken in the state of North Rhine-Westphalia, Germany. It is located approximately 10 km south of Borken and 30 km east of the Dutch border. Raesfeld's landmark is the moated castle , ...
chapel (funerary casket containing the heart of Christoph Otto von Velen, d. 1733) File:Mus%C3%A9e_Boyadjian_MRAH_20_11_2011_Sacr%C3%A9_Coeur_M_Alacoque.jpg, 18th-century depiction of the Sacred Heart from the vision of
Marguerite Marie Alacoque Margaret Mary Alacoque, VHM (french: Marguerite-Marie Alacoque) (22 July 1647 – 17 October 1690), was a French Catholic Visitation nun and mystic who promoted devotion to the Sacred Heart of Jesus in its modern form. Summary She worked to pr ...
(d. 1690). The heart is both "heart shaped" and drawn anatomically correct, with both the
aorta The aorta ( ) is the main and largest artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries (the common iliac arteries). The aorta distributes ...
and the
pulmonary artery A pulmonary artery is an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs. The largest pulmonary artery is the ''main pulmonary artery'' or ''pulmonary trunk'' from the heart, and t ...
visible, with the crucifix placed inside the aorta. File:Sacred Heart 1770.jpg, Another anatomically correct Sacred Heart, painted in by José de Páez.


Modern

Since the 19th century, the symbol has often been used on
Valentine's Day Valentine's Day, also called Saint Valentine's Day or the Feast of Saint Valentine, is celebrated annually on February 14. It originated as a Christian feast day honoring one or two early Christian martyrs named Saint Valentine and, throu ...
cards,
candy Candy, also called sweets (British English) or lollies (Australian English Australian English (AusE, AusEng, AuE, AuEng, en-AU) is the set of varieties of the English language native to Australia. It is the country's common language an ...
boxes, and similar
popular culture Popular culture (also called mass culture or pop culture) is generally recognized by members of a society as a set of practices, beliefs, artistic output (also known as, popular art or mass art) and objects that are dominant or prevalent in a ...
artifacts as a symbol of
romantic love Romance or romantic love is a feeling of love for, or a Interpersonal attraction, strong attraction towards another person, and the Courtship, courtship behaviors undertaken by an individual to express those overall feelings and resultant emot ...
. The use of the heart symbol as a
logograph In a written language, a logogram, logograph, or lexigraph is a written character that represents a word or morpheme. Chinese characters (pronounced '' hanzi'' in Mandarin, ''kanji'' in Japanese, ''hanja'' in Korean) are generally logograms, ...
for the English verb "to love" derives from the use in "
I ♥ NY I Love New York (stylized ) is a slogan, a logo, and a song that are the basis of an advertising campaign developed by the marketing firm of Wells, Rich, Greene under the directorship of Mary Wells Lawrence used since 1977 to promote tourism i ...
," introduced in 1977. Heart symbols are frequently used to symbolize "health" or "lives" in
video game Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, controller, keyboard, or motion sensing device to generate visual feedback. This fee ...
s. ''
Super Mario Bros. 2 ''Super Mario Bros. 2'' is a platform game, platform video game developed and published by Nintendo for the Nintendo Entertainment System. It was first released in North America in October 1988, and in the PAL region in 1989. After the smash hi ...
'' (1987, 1988) had a "life bar" composed of
hexagon In geometry, a hexagon (from Ancient Greek, Greek , , meaning "six", and , , meaning "corner, angle") is a six-sided polygon. The total of the internal angles of any simple polygon, simple (non-self-intersecting) hexagon is 720°. Regular hexa ...
s, but in 1990s remakes of these games, the hexagons were replaced by heart shapes (the
Castlevania ''Castlevania'' (), known in Japan as is a gothic horror action-adventure video game series and media franchise about Dracula (Castlevania), Dracula, created and developed by Konami. It has been released on various platforms, from early system ...
franchise being a notable exception, where the hearts are ammunition for the secondary weapons instead of representing health). Since the 1990s, the heart symbol has also been used as an ideogram indicating health outside of the video gaming context, e.g. its use by restaurants to indicate heart-healthy nutrient content claim (e.g. "low in
cholesterol Cholesterol is any of a class of certain organic molecules called lipids. It is a sterol (or modified steroid), a type of lipid. Cholesterol is biosynthesized by all animal cells and is an essential structural component of animal cell mem ...
"). A copyrighted "heart-check" symbol to indicate heart-healthy food was introduced by the
American Heart Association The American Heart Association (AHA) is a nonprofit organization in the United States that funds cardiovascular medical research, educates consumers on healthy living and fosters appropriate cardiac care in an effort to reduce disability and death ...
in 1995. File:A Map of Womans Heart.jpg, A heart-shaped "Map of Woman's Heart" (1830s) File:Victorian Valentine GT Little.jpg, Two burning hearts, coloured pink, illustration on a Victorian-era
Valentine's Day Valentine's Day, also called Saint Valentine's Day or the Feast of Saint Valentine, is celebrated annually on February 14. It originated as a Christian feast day honoring one or two early Christian martyrs named Saint Valentine and, throu ...
card. File:Wounded Heart Vinegar Valentine 1870s.jpg, A " Vinegar Valentine" card from the 1870s, with a red heart symbol pierced by six arrows. File:BigPinkHeart.jpg, The traditional "heart shape" appears on a 1910 Valentine's Day card. File:Look in His Eyes cover.jpg, Sheet music cover of "Look in His Eyes", from the musical ''Have a Heart'' (1913). File:Magazine advertisement for The Orderly (1921).jpg, Magazine advertisement for the silent film ''The Orderly'' (1921). File:Wedding_ring_with_heart_shadow.jpg, Wedding rings of a groom and bride with shadow in form of heart - symbolic of love.


Heraldry

The earliest heart-shaped charges in heraldry appear in the 12th century; the hearts in the
coat of arms of Denmark The coat of arms of Denmark ( da, Danmarks rigsvåben) has a lesser and a greater version. The state coat of arms () consists of three pale blue lion (heraldry), lions attitude (heraldry)#Passant, passant wearing crown (heraldic charge), crowns ...
go back to the royal banner of the
kings of Denmark This is a list of Monarchy of Denmark, Danish monarchs, that is, the kings and queens regnant of Denmark. This includes: * The Kingdom of Denmark (up to 1397) ** Personal union of Denmark and Norway (1380–1397) * The Kalmar Union (1397–1536) ...
, in turn based on a seal used as early as the 1190s. However, while the charges are clearly heart-shaped, they did not depict hearts in origin, or symbolize any idea related to love. Instead, they are assumed to have depicted the leaves of the water-lily. Early heraldic heart-shaped charges depicting the leaves of water-lilies are found in various other designs related to territories close to rivers or a coastline (''e.g.''
Flags of Frisia The flags of Frisia are the flags that are used to represent (the subdivisions of) Frisia, a cross-border cultural region in Northwestern Europe. Some designs are in official use on a local or provincial level, while others are used unofficially ...
). Inverted heart symbols have been used in heraldry as stylized
testicle A testicle or testis (plural testes) is the male reproductive gland or gonad in all bilaterians, including humans. It is homologous to the female ovary. The functions of the testes are to produce both sperm and androgens, primarily testostero ...
s (''coglioni'' in Italian) as in the
canting arms Canting arms are heraldic bearings that represent the bearer's name (or, less often, some attribute or function) in a visual pun or rebus. French heralds used the term (), as they would sound out the name of the armiger. Many armorial allus ...
of the
Colleoni The House of Colleoni was a Guelf-allied noble family in medieval Bergamo. Their Ghibelline opponents were the Suardi family, of which the Colleoni themselves were a branch. History When the Visconti of Milan seized Bergamo, they exiled the ...
family of Milan.Woodward, John and George Burnett (1969). ''Woodward's a treatise on heraldry, British and foreign''
page 203
Originally published 1892, Edinburgh: W. & A. B. Johnson. .
A seal attributed to William, Lord of Douglas (of 1333) shows a heart shape, identified as the heart of
Robert the Bruce Robert I (11 July 1274 – 7 June 1329), popularly known as Robert the Bruce (Scottish Gaelic: ''Raibeart an Bruis''), was King of Scots from 1306 to his death in 1329. One of the most renowned warriors of his generation, Robert eventual ...
. The authenticity of this seal is "very questionable", i.e. it could possibly date to the late 14th or even the 15th century. Heraldic charges actually representing hearts became more common in the early modern period, with the
Sacred Heart The Most Sacred Heart of Jesus ( la, Cor Jesu Sacratissimum) is one of the most widely practised and well-known Catholic devotions, wherein the heart of Jesus is viewed as a symbol of "God's boundless and passionate love for mankind". This devo ...
depicted in
ecclesiastical heraldry Ecclesiastical heraldry refers to the use of heraldry within Christianity for dioceses, organisations and Christian clergy. Initially used to mark documents, ecclesiastical heraldry evolved as a system for identifying people and dioceses. It ...
, and hearts representing love appearing in bourgeois coats of arms. Hearts also later became popular elements in municipal coats of arms.


Botanical symbolism

There has been some conjecture regarding the link between the traditional heart symbol and images of the fruit of silphium, a (probably) extinct plant known to
classical antiquity Classical antiquity (also the classical era, classical period or classical age) is the period of cultural history between the 8th century BC and the 5th century AD centred on the Mediterranean Sea, comprising the interlocking civilizations of ...
and belonging to the genus ''
Ferula ''Ferula'' (from Latin ''ferula'', 'rod') is a genus of about 220 species of flowering plants in the family Apiaceae, native to the Mediterranean region east to central Asia, mostly growing in arid climates. They are herbaceous perennial plants ...
'', used as a condiment and medicine, (the medicinal properties including
contraceptive Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent unwanted pregnancy. Birth control has been used since ancient times, but effective and safe methods of birth contr ...
and
abortifacient An abortifacient ("that which will cause a miscarriage" from Latin: ''abortus'' "miscarriage" and '' faciens'' "making") is a substance that induces abortion. This is a nonspecific term which may refer to any number of substances or medications, ...
activity, linking the plant to sexuality and love). Silver coins from the ancient Libya of the 6th to 5th centuries BC bear images strongly reminiscent of the heart symbol, sometimes accompanied by images of the silphium plant. The related ''Ferula'' species
asafoetida Asafoetida (; also spelled asafetida) is the dried latex ( gum oleoresin) exuded from the rhizome or tap root of several species of ''Ferula'', perennial herbs growing tall. They are part of the celery family, Umbelliferae. Asafoetida is thou ...
- which was actually used as an inferior substitute for silphium - is regarded as an
aphrodisiac An aphrodisiac is a substance that increases sexual desire, sexual attraction, sexual pleasure, or sexual behavior. Substances range from a variety of plants, spices, foods, and synthetic chemicals. Natural aphrodisiacs like cannabis or cocain ...
in
Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...
and
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
, suggesting yet a third amatory association relating to silphium. File:Cyrenecoin.jpg, Ancient silver coin from
Cyrene, Libya Cyrene ( ) or Kyrene ( ; grc, Κυρήνη, Kyrḗnē, arb, شحات, Shaḥāt), was an ancient Greek and later Roman city near present-day Shahhat, Libya. It was the oldest and most important of the five Greek cities, known as the pentapolei ...
depicting the heart-shaped 'seed' (actually fruit) of silphium. File:Illustration Heracleum sphondylium0.jpg, Example of a heart-shaped
mericarp A schizocarp is a dry fruit that, when mature, splits up into mericarps. There are different definitions: * Any dry fruit composed of multiple carpels that separate. : Under this definition the mericarps can contain one or more seeds (the m ...
fruit in a plant (''
Heracleum sphondylium ''Heracleum sphondylium'', commonly known as hogweed, common hogweed or cow parsnip, is a herbaceous perennial or biennial plant, in the umbelliferous family Apiaceae that includes fennel, cow parsley, ground elder and giant hogweed. It is nat ...
'') belonging, like the unidentified silphium, to the parsley family,
Apiaceae Apiaceae or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus ''Apium'' and commonly known as the celery, carrot or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering plants ...
. File:Ferula assa-foetida - Köhler–s Medizinal-Pflanzen-061.jpg, ''
Ferula assa-foetida ''Ferula assa-foetida'' is a species of '' Ferula'' endemic to Southern Iran. It is the source of asafoetida, but its production is confined to Southern Iran, especially the area near Lar. Outside its native range, other asafoetida-producing s ...
'' a species of giant fennel belonging to the same genus as the ancient silphium and regarded as having similar properties, while being an inferior substitute for the plant. File:Ferula tingitana.jpg, ''
Ferula tingitana ''Ferula tingitana'', the giant Tangier fennel, is a species of the Apiaceae genus ''Ferula''. Despite the name, the plant is not a type of fennel proper, which belongs to another genus (''Foeniculum''). ''Ferula tingitana'' is a tall perennial ...
'': a possible identity for silphium.


Encoding

A common
emoticon An emoticon (, , rarely , ), short for "emotion icon", also known simply as an emote, is a pictorial representation of a facial expression using Character (symbol), characters—usually punctuation marks, numbers, and letters—to express a ...
for the heart is <3. In
Unicode Unicode, formally The Unicode Standard,The formal version reference is is an information technology Technical standard, standard for the consistent character encoding, encoding, representation, and handling of Character (computing), text expre ...
several heart symbols are available in text format: And from the
Miscellaneous Symbols and Pictographs Miscellaneous Symbols and Pictographs is a Unicode block containing meteorological and astronomical symbols, emoji characters largely for compatibility with Japanese telephone carriers' implementations of Shift JIS, and characters originally from ...
and
Supplemental Symbols and Pictographs Supplemental Symbols and Pictographs is a Unicode block containing emoji characters. It extends the set of symbols included in the Miscellaneous Symbols and Pictographs block. It also includes Typikon symbols. Emoji The Unicode 14.0 Supplementa ...
ranges associated with
emoji An emoji ( ; plural emoji or emojis) is a pictogram, logogram, ideogram or smiley embedded in text and used in electronic messages and web pages. The primary function of emoji is to fill in emotional cues otherwise missing from typed conversat ...
: In
Code page 437 Code page 437 (CCSID 437) is the character set of the original IBM PC (personal computer). It is also known as CP437, OEM-US, OEM 437, PC-8, or DOS Latin US. The set includes all printable ASCII characters as well as some accented letters (diacri ...
, the original character set of the IBM PC, the value of 3 (hexadecimal 03) represents the heart symbol. This value is shared with the non-printing ETX control character, which overrides the glyph in many contexts.


Parametrisation

A number of parametrisations of approximately heart-shaped
curves A curve is a geometrical object in mathematics. Curve(s) may also refer to: Arts, entertainment, and media Music * Curve (band), an English alternative rock music group * ''Curve'' (album), a 2012 album by Our Lady Peace * "Curve" (song), a 20 ...
have been described. The best-known of these is the
cardioid In geometry, a cardioid () is a plane curve traced by a point on the perimeter of a circle that is rolling around a fixed circle of the same radius. It can also be defined as an epicycloid having a single cusp. It is also a type of sinusoidal spi ...
, which is an
epicycloid In geometry, an epicycloid is a plane curve produced by tracing the path of a chosen point on the circumference of a circle—called an ''epicycle''—which rolls without slipping around a fixed circle. It is a particular kind of roulette. Equati ...
with one
cusp A cusp is the most pointed end of a curve. It often refers to cusp (anatomy), a pointed structure on a tooth. Cusp or CUSP may also refer to: Mathematics * Cusp (singularity), a singular point of a curve * Cusp catastrophe, a branch of bifurca ...
; though as the cardioid lacks the point, it may be seen as a stylized water-lily leaf, a so-called
seeblatt (, German for 'lake leaf', plural '; da, søblad; fy, pompeblêd; East Frisian: Pupkeblad) is the term for the stylized leaf of a water lily, used as a charge in heraldry. Background This charge is used in the heraldry of Germany, the Nether ...
, rather than a heart. Other curves, such as the
implicit curve In mathematics, an implicit curve is a plane curve defined by an implicit equation relating two coordinate variables, commonly ''x'' and ''y''. For example, the unit circle is defined by the implicit equation x^2+y^2=1. In general, every implic ...
(x2+y2−1)3−x2y3=0, may produce better approximations of the heart shape.
Eric W. Weisstein Eric Wolfgang Weisstein (born March 18, 1969) is an American mathematician and encyclopedist who created and maintains the encyclopedias ''MathWorld'' and ''ScienceWorld''. In addition, he is the author of the '' CRC Concise Encyclopedia of M ...

"Heart Curve."
From
MathWorld ''MathWorld'' is an online mathematics reference work, created and largely written by Eric W. Weisstein. It is sponsored by and licensed to Wolfram Research, Inc. and was partially funded by the National Science Foundation's National Science Dig ...
File:Heart-on-ti89-draw.jpg, Heart curve on TI-89 graphing calculator File:Heart-on-ti89-parametric.jpg, Parametric equation of heart curve on TI-89 graphing calculator


See also

* Cordata, Cordatum and Cordatus, Latin adjectives meaning ''heart-shaped'' *
Passion (emotion) Passion (Greek ''πάσχω'' "to suffer, to be acted on" and Late Latin (chiefly Christian) ''passio'' "passion; suffering" (from Latin ''pati'' "to suffer"; participle: ''passus'')) is a term used to denote strong and intractable or barely ...
, or passionate love *
Seeblatt (, German for 'lake leaf', plural '; da, søblad; fy, pompeblêd; East Frisian: Pupkeblad) is the term for the stylized leaf of a water lily, used as a charge in heraldry. Background This charge is used in the heraldry of Germany, the Nether ...
, a symbol of a water lily leaf that resembles a heart *


References


Inline citations


Works cited

* Martin Kemp, "The Heart" in ''Christ to Coke: How Image Becomes Icon'', Oxford University Press, 2011
81–113
*


General references

*


External links

{{DEFAULTSORT:Heart 15th-century introductions Heraldic charges Late Middle Ages Pictograms Romance Symbols Love