Defn: A disease in the lips of horses. 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
Flap, v. t. [imp. & p. p. Flapped; p. pr. & vb. n. Flapping.] Etym:
[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
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.

FLAPDRAGON
Flap"drag`on, n.

1. A game in which the players catch raisins out burning brandy, and swallow them blazing. Johnson.

2. The thing thus caught abd eaten. Johnson. Cakes and ale, and flapdragtons and mummer's plays, and all the happy sports of Christians night. C. Kingsley.