Flap tile, a tile with a bent up portion, to turn a corner or catch a
drip. -- Flap valve (Mech.), a valve which opens and shuts upon one
hinged side; a clack valve.
Flap, v. t. [imp. & p. p. Flapped (?); p. pr. & vb. n. Flapping (?).]
[Prob. of imitative origin; cf. D. flappen, E. flap, n., flop,
flippant, fillip.] 1. To beat with a flap; to strike.
Yet let me flap this bug with gilded wings.
Pope.
2. To move, as something broad and flaplike; as, to flap the wings; to
let fall, as the brim of a hat.
To flap in the mouth, to taunt. [Obs.] W. Cartwright.
Flap, v. i. 1. To move as do wings, or as something broad or loose; to
fly with wings beating the air.
The crows flapped over by twos and threes.
Lowell.
2. To fall and hang like a flap, as the brim of a hat, or other broad
thing. Gay.
Flap"drag`on (?), n. 1. A game in which the players catch raisins out
burning brandy, and swallow them blazing. Johnson.