An area of level ground (sometimes covered with shallow or tidal water). • Level ground in general. • Level horse-racing ground, as contrasted with courses incorporating jumps, or the racing done on such ground. • the area in the centre of a racecourse. • The areas behind the line of scrimmage to either side of an offensive football formation. • A note played one chromatic semitone lower than a natural, denoted by the symbol ♭ placed after the letter representing the note (e.g., B♭) or in front of the note symbol (e.g. ♭♪). • A flat tyre/flat tire. • A type of ladies' shoe with a very low heel. • A type of flat-soled running shoe without spikes. • A thin, broad brush used in oil and watercolour painting. • The most prominent flat part of something. • The flat side of a blade, as opposed to the sharp edge. • The palm of the hand, with the adjacent part of the fingers. • A wide, shallow container or pallet. • Ellipsis of flat water (“nonfizzy drinking water”). • A large mail piece measuring at least 8 1/2 by 11 inches, such as catalogs, magazines, and unfolded paper enclosed in large envelopes. • A railroad car without a roof, and whose body is a platform without sides; a platform car or flatcar. • A flat spot on the wheel of a rail vehicle. • A flat-bottomed boat, without keel, and of small draught. • A subset of n-dimensional space that is congruent to a Euclidean space of lower dimension. • A straw hat, broad-brimmed and low-crowned. • A flat sheet for use on a bed. • A flat, glossy children's book with few pages. • A platform on a wheel, upon which emblematic designs etc. are carried in processions. • A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a vein not elsewhere horizontal. • A rectangular wooden structure covered with masonite, lauan, or muslin, often produced in standard modules, that is used to build wall surfaces on stage. Flats can be painted and outfitted with doors and/or windows to depict a building or other part of a scene, and are a hard-surfaced alternative to a backcloth or backdrop. • Any of various hesperiid butterflies that spread their wings open when they land. • An early kind of toy soldier having a flat design. • A dull fellow; a simpleton. • Ellipsis of flat ride (“spinning amusement ride”). • A flat (i.e. plane) mirror • A cheater's die with the edges shaved to make certain rolls more likely. • A 24-case of beer.