Flat or flats may refer to:

Architecture

* Flat (housing), an apartment in the United Kingdom, Ireland, Australia and other Commonwealth countries

Arts and entertainment

Flat (music) In music, flat (Italian bemolle for "soft B") means "lower in pitch". Flat is the opposite of sharp, which is a raising of pitch. In musical notation, flat means "lower in pitch by one semitone (half step)", notated using the symbol which is deri ...

, a symbol () which denotes a lower pitch *

Flat (soldier) Tin soldiers are miniature figures of toy soldiers that are very popular in the world of collecting. They can be bought finished or in a raw state to be hand-painted. They are generally made of pewter, tin, lead, other metals or plastic. Ofte ...

, a two-dimensional toy soldier made of tin or plastic * Flat (theatre), a flat piece of theatrical scenery * Flat, a leading type of wordplay, as identified by the National Puzzlers' League * ''

Flat! ''A Flat'' is a Hindi thriller film, directed by Hemant Madhukar and produced by Anjum Rizvi.The film was released on 12 November 2010 under the Anjum Rizvi Film Company and Y.T Entertainment Ltd. banners. Plot The story follows Rahul (Jimmy She ...

'' (2010), an Indian film *

Flats (band) Flats are a four-piece punk/sludge metal band from East London (with roots in both Palestine and South Wales also). They have their own imprint, Sweat Shop Records, with their last record released in conjunction with Derrick Birkett's One Littl ...

, an English band *

Flats (comics) A flatter is a coloring specialist within the comic book industry that prepares the inked or sketched comic book page for the colorist with digital art software such as Adobe Photoshop. The specialist does so by selecting the objects on the pag ...

, the first stage in the comic coloring process

Footwear

* Flats, footwear which is not high-heeled * Ballet flats, derived from ballet shoes, for casual wear as well as dancing * Ballet shoes (also known as ballet slippers), often referred to as "flats" or "flat shoes" *

Racing flat Racing flats, or simply flats, are lightweight athletic shoes designed for "long distance" track and field, cross country, and most often, road races. They differ from normal training shoes mainly by the lack of a substantial heel to toe drop. Fl ...

s, lightweight shoes used primarily for running a race

Geography

Landforms

Flat (landform) A flat is a relatively level surface of land within a region of greater relief, such as hills or mountains, usually used in the plural. The term is often used to name places with such features, for example, Yucca Flat or Henninger Flats. ''Flat' ...

, a relatively level area within a region of greater relief

Bodies of water

* Flat, a shallow water area in the context of

boating Boating is the leisurely activity of travelling by boat, or the recreational use of a boat whether Motorboat, powerboats, Sailing, sailboats, or man-powered vessels (such as rowing and paddle boats), focused on the travel itself, as well as sp ...

, fishing or

marine biology Marine biology is the scientific study of the biology of marine life, organisms in the sea. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies s ...

, often used in plural form **

Brewster Flats Brewster may refer to: People *Brewster (surname) *Brewster Kahle (born 1960), American computer technologist *Brewster H. Shaw (born 1945), American astronaut Places *Brewster Park (Enniskillen), Northern Ireland * Brewster (crater), The Moon ...

, an area of Cape Cod Bay off the shore of Massachusetts, U.S. ** Kentish Flats Offshore Wind Farm, off the coast of Kent, England **

Rhyl Flats Rhyl Flats Offshore Wind Farm is a 25 turbine wind farm approximately 8 km north east of Llandudno in North Wales. It is Wales' second offshore wind farm and the third offshore wind farm to be built within Liverpool Bay. It has a maximum ra ...

, a wind farm off the coast of North Wales *

Flat coast At a flat coast or flat shoreline, the land descends gradually into the sea. Flat coasts can be formed either as a result of the sea advancing into gently-sloping terrain or through the abrasion of loose rock. They may be basically divided into t ...

, a shoreline where the land descends gradually into the sea

Places

United States

Flat, Alaska Flat is a census-designated place (CDP) in Yukon-Koyukuk Census Area, Alaska, United States. As of the 2010 Census, the population of the CDP was 0, down from 4 residents in 2000. Its post office closed in January 2004. History Prospectors J ...

, a census-designated place * Flat, Kentucky, an unincorporated community * Flat, Missouri, an unincorporated community * Flat, Texas, an unincorporated community * Flat Brook, a tributary of the Delaware River in Sussex County, New Jersey * Flats, Nebraska, United States * Flats, West Virginia, an unincorporated community * Forest Lake Area Trail System, Missouri

Other

* Flat, Puy-de-Dôme, a commune in the French region of Auvergne *

Flat Island (disambiguation) Flat Island may refer to: * Flat Island (Hong Kong) * Flat Island (Spratly) in the South China Sea * Flat Island (Falkland Islands) in the south Atlantic Ocean * Flat Island Wildlife Sanctuary, in the Andaman Islands * Flat Island, a former separa ...

, in various places *

Flat Islands (disambiguation) Flat Islands may refer to: * Flat Islands (Antarctica) * Flat Islands, Bonavista Bay, Newfoundland and Labrador * Flat Islands, Placentia Bay, Newfoundland and Labrador See also * Flat Island (disambiguation) * Flat Isles The Northumberland I ...

, in Canada and Antarctica *

Flat River (disambiguation) Flat River may refer to: Rivers * Flat River (Northwest Territories), a tributary of the South Nahanni River * Flat River (Louisiana) * Flat River (Missouri), a tributary of the Big River * Flat River (Michigan) * Flat River (North Carolina) ...

, in the United States and Canada

Mathematics and geometry

Flatness (mathematics) In mathematics, the flatness (symbol: ⏥) of a surface is the degree to which it approximates a mathematical plane. The term is often generalized for higher-dimensional manifolds to describe the degree to which they approximate the Euclidean space ...

, of a surface * Flat (geometry), the generalization of lines and planes in an ''n''-dimensional Euclidean space *

Flat (matroids) In combinatorics, a branch of mathematics, a matroid is a structure that abstracts and generalizes the notion of linear independence in vector spaces. There are many equivalent ways to define a matroid axiomatically, the most significant being in ...

, a further generalization of flats from linear algebra to the context of matroids * Flat module in ring theory *

Flat morphism In mathematics, in particular in the theory of schemes in algebraic geometry, a flat morphism ''f'' from a scheme ''X'' to a scheme ''Y'' is a morphism such that the induced map on every stalk is a flat map of rings, i.e., :f_P\colon \mathcal_ \t ...

in algebraic geometry * Flat sign, for its use in mathematics; see

musical isomorphism In mathematics—more specifically, in differential geometry—the musical isomorphism (or canonical isomorphism) is an isomorphism between the tangent bundle \mathrmM and the cotangent bundle \mathrm^* M of a pseudo-Riemannian manifold induced by ...

, mapping vectors to covectors

People

Nickname

* Earl "Flat" Chase (1910–1954), Canadian baseball player * Flat Walsh (1897–1959), Canadian ice hockey goaltender

Fictional characters

Flat Eric Flat Eric is a puppet character, created by Mr. Oizo, Quentin Dupieux (better known under his stage name Mr. Oizo), from Levi's Television advertisement, commercials for Sta-Prest One Crease Denim Clothing, built by Jim Henson's Creature Shop. His ...

, a character in some Levi's commercials * ''

Flat Stanley ''Flat Stanley'' is an American children's book series written by author Jeff Brown (January 1, 1926 – December 3, 2003). The idea for the book began as a bedtime story for Brown’s sons, which Brown turned into the first Flat Stanley book. Th ...

'', namesake of an American children's book series

Groups

* FLATS or

First Lady Astronaut Trainees The Mercury 13 were thirteen American women who took part in a privately funded program run by William Randolph Lovelace II aiming to test and screen women for spaceflight. The participants—First Lady Astronaut Trainees (or FLATs) as Jerrie ...

, American women who underwent NASA Project Mercury physiological screening tests

Other uses

Flat (gridiron football) The flat in gridiron football is the area of the field extending ten yards into the defensive backfield from the line of scrimmage and extending outside the hash marks to the out-of-bounds lines (a distance of about 15 yards). Offenses will typi ...

, the area of the gridiron football field * Flat butterflies or flats, certain skipper butterfly genera in subfamily Pyrginae: ** ''

Calleagris ''Calleagris'' is a genus of skippers in the family Hesperiidae. Species *'' Calleagris hollandi'' (Butler, 1897) *'' Calleagris jamesoni'' (Sharpe, 1890) *'' Calleagris kobela'' (Trimen, 1864) *'' Calleagris krooni'' Vári, 1974 *'' Calleagr ...

'' (scarce flats), ** ''

Celaenorrhinus ''Celaenorrhinus'' is a genus of skipper butterflies which are commonly termed sprites. An alternate name is flats, for their habit of holding their wings flat when resting, but this is also used for related genera. They belong to the spread-win ...

'' of tribe Celaenorrhini; ** ''

Eagris ''Eagris'' is a genus of skippers in the family Hesperiidae. Species *''Eagris decastigma'' Mabille, 1891 *''Eagris denuba'' (Plötz, 1879) *''Eagris hereus'' (Druce, 1875) *''Eagris lucetia'' (Hewitson, 1875) *''Eagris nottoana'' (Wallengren, ...

'', and ** ''

Tagiades ''Tagiades'', commonly known as snow flats, is a genus of spread-winged skipper butterflies. It is the type genus of the tribe Tagiadini of the subfamily Pyrginae in the family Hesperiidae. It contains seventeen species; three of which are fou ...

'' (water flats, snow flats), of tribe Tagiadini *

Flats (USPS) The United States Postal Service The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or Postal Service, is an independent agency of the executive branch of the United States federal government responsible for ...

, an oversized letter *

Optical flat An optical flat is an optical-grade piece of glass lapped and polished to be extremely flat on one or both sides, usually within a few tens of nanometres (billionths of a metre). They are used with a monochromatic light to determine the flatn ...

, an extremely flat piece of glass