The definition of flat is something with a smooth level surface, something touching with as many points as possible, something that doesn't vary, or something that is dull in taste or appearance.(adjective)
See flat in Webster's New World College Dictionary
Origin: ME < ON flatr, akin to OHG flaz < IE *plāt, plēt-, wide, flat (> Gr platys, broad, OE flet, floor) < base *plā-, broad
Origin: altered < Scot dial. flet (ME & OE flet), a floor (of a dwelling): see flat
See flat in American Heritage Dictionary 4
adjective flat·ter, flat·test
Origin: Middle English
Origin: , from Old Norse flatr; see plat- in Indo-European roots.
Origin: Alteration of Scots flet, inner part of a house
Origin: , from Middle English
Origin: , from Old English, floor, dwelling; see plat- in Indo-European roots.
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