#1 flat s. [level, plane] having a surface without slope, tilt in which no part is higher or lower than another; "a flat desk"; "acres of level farmland"; "a plane surface"; "skirts sewn with fine flat seams". wn
#2 flat s. having a relatively broad surface in relation to depth or thickness; "flat computer monitors". wn
#3 flat n. a level tract of land; "the salt flats of Utah". wn
#4 flat s. [prostrate] stretched out and lying at full length along the ground; "found himself lying flat on the floor". wn
#5 flat n. a shallow box in which seedlings are started. wn
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