architecture Architecture is the art and technique of designing and building, as distinguished from the skills associated with construction. It is both the process and the product of sketching, conceiving, planning, designing, and constructing buildings ...

, a dog-tooth or dogtooth pattern is an ornament found in the mouldings of

medieval 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 ...

work of the commencement of the 12th century, which is thought to have been introduced by the

Crusade The Crusades were a series of religious wars initiated, supported, and sometimes directed by the Latin Church in the medieval period. The best known of these Crusades are those to the Holy Land in the period between 1095 and 1291 that were ...

rs. The earliest example is found in the hall at Rabbath Ammon in

Moab Moab ''Mōáb''; Assyrian: 𒈬𒀪𒁀𒀀𒀀 ''Mu'abâ'', 𒈠𒀪𒁀𒀀𒀀 ''Ma'bâ'', 𒈠𒀪𒀊 ''Ma'ab''; Egyptian: 𓈗𓇋𓃀𓅱𓈉 ''Mū'ībū'', name=, group= () is the name of an ancient Levantine kingdom whose territ ...

in Jordan (c. 614) built by the

Sassanians The Sasanian dynasty was the house that founded the Sasanian Empire, ruling this empire from 224 to 651 AD in Persia (modern-day Iran). It began with Ardashir I, who named the dynasty as ''Sasanian'' in honour of his grandfather (or father), Sas ...

, where it decorates the

arch An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horizontal arch like an arch dam, the hydrostatic pressure against it. Arches may be synonymous with vau ...

moulding of the

blind arcade A blind arcade or blank arcade is an arcade (a series of arches) that has no actual openings and that is applied to the surface of a wall as a decorative element: i.e., the arches are not windows or openings but are part of the masonry face. It is ...

s and the string courses. The pattern consists of four flower petals forming a square or diamond shape with central elements. The petals have the form of the pointed conical

canine tooth In mammalian oral anatomy, the canine teeth, also called cuspids, dog teeth, or (in the context of the upper jaw) fangs, eye teeth, vampire teeth, or vampire fangs, are the relatively long, pointed teeth. They can appear more flattened howeve ...

, eye tooth or cuspid. Norman arch

In the

apse In architecture, an apse (plural apses; from Latin 'arch, vault' from Ancient Greek 'arch'; sometimes written apsis, plural apsides) is a semicircular recess covered with a hemispherical vault or semi-dome, also known as an '' exedra''. ...

of a church at

Murano Murano is a series of islands linked by bridges in the Venetian Lagoon, northern Italy. It lies about north of Venice and measures about across with a population of just over 5,000 (2004 figures). It is famous for its glass making. It was on ...

, near

Venice Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 ...

, it is similarly employed. In the 12th and 13th centuries it was further elaborated with

carving Carving is the act of using tools to shape something from a material by scraping away portions of that material. The technique can be applied to any material that is solid enough to hold a form even when pieces have been removed from it, and ...

, losing therefore its primitive form, but constituting a most beautiful decorative feature. In

Elgin Cathedral Elgin Cathedral is a historic ruin in Elgin, Moray, north-east Scotland. The cathedral—dedicated to the Holy Trinity—was established in 1224 on land granted by King Alexander II outside the burgh of Elgin and close to the River Lossie. ...

in Scotland, the dogtooth ornament in the

archivolt An archivolt (or voussure) is an ornamental moulding or band following the curve on the underside of an arch. It is composed of bands of ornamental mouldings (or other architectural elements) surrounding an arched opening, corresponding to the ...

becomes a four-lobed

leaf A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, ...

, and in

Stone In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its Chemical compound, chemical composition, and the way in which it is formed. Rocks ...

church in Kent, a much more enriched type of

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanis ...

. The term has been supposed to originate in a resemblance to the dog tooth violet, but the original idea of a projecting

tooth A tooth ( : teeth) is a hard, calcified structure found in the jaws (or mouths) of many vertebrates and used to break down food. Some animals, particularly carnivores and omnivores, also use teeth to help with capturing or wounding prey, ...

is a sufficient explanation.

References

{{Ornaments Ornaments (architecture) Visual motifs

See also

References