- a person or thing that makes something flat.
- a flat-faced blacksmith’s tool, laid on a forging and struck with a hammer to smooth the surface of the forging.
- a drawplate with a flat orifice for drawing flat metal strips, as for watch springs.
- to praise insincerely, esp in order to win favour or reward
- to show to advantagethat dress flatters her
- (tr) to make to appear more attractive, etc, than in reality
- to play upon or gratify the vanity of (a person)it flatters her to be remembered
- (tr) to beguile with hope; encourage, esp falselythis success flattered him into believing himself a champion
- (tr) to congratulate or deceive (oneself)I flatter myself that I am the best
- a blacksmith’s tool, resembling a flat-faced hammer, that is placed on forged work and struck to smooth the surface of the forging
- a die with a narrow rectangular orifice for drawing flat sections
early 13c., from Old French flater “to flatter” (13c.), originally “stroke with the hand, caress,” from Frankish *flat “palm, flat of the hand” (see flat (adj.)). “[O]ne of many imitative verbs beginning with fl- and denoting unsteady or light, repeated movement” [Liberman]. Related: Flattered; flattering.