Flat

Flat or flats may refer to:

Geography

Architecture

• Flat (housing), an apartment in the United Kingdom, Australia and other Commonwealth countries
• Flatmate arrangement, in New Zealand, a residence shared among unrelated adults or an apartment

Art, entertainment, and media

• Flat (music), a symbol (♭) which denotes a lower pitch
• Flat (soldier), a two-dimensional toy soldier made of tin or plastic
• Flat! (2010), an Indian film
• Flats (band), an English band
• Flats (comics), the first stage in the comic coloring process
• Flats (theatre), flat pieces of theatrical scenery

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), are often referred to as "flats" or "flat shoes", in contrast to the pointe shoes more advanced female dancers wear
• Racing flats, lightweight shoes used primarily for running a race

Mathematics and geometry

• Flat (geometry), the generalization of lines and planes in an n-dimensional Euclidean space
• Flat (matroids), a further generalization of flats from linear algebra to the context of matroids
• Flat module in ring theory
• Flat morphism in algebraic geometry
• Flat sign, for its use in mathematics, see musical isomorphism - mapping vectors to covectors

Transportation

• Flat, a deflated pneumatic tire
• Flat car, an open container on wheels designed to carry heavy loads
• Flat spot, a fault in the shape of a railroad wheel
• Flat wagon, a railway goods wagon with a flat deck for transporting e.g. vehicles
• Flatboat

Other uses

• Flat (football), the area of the gridiron football field
• Flat, a leading type of wordplay predating the invention of crosswords, as identified by the National Puzzlers' League
• Flat butterflies or flats, certain skipper butterfly genera in subfamily Pyrginae:
  • Calleagris (scarce flats),
  • Celaenorrhinus of tribe Celaenorrhini;
  • Eagris, and
  • Tagiades (water flats, snow flats), of tribe Tagiadini
• Flats (USPS), an oversized letter
• FLATS or First Lady Astronaut Trainees, American women who underwent NASA Project Mercury physiological screening tests
• Optical flat, an extremely flat piece of glass

See also

• All pages beginning with Flat
• All pages with a title containing Flat
• The Flat (disambiguation), including "The Flats"
• Flatten (disambiguation)
• Flattening
• Planar (disambiguation)