Flap (?), n. [OE. flappe, flap, blow, bly-flap; cf. D. flap, and E. flap, v.]

Anything broad and limber that hangs loose, or that is attached by one side or end and is easily moved; as, the flap of a garment.

A cartilaginous flap upon the opening of the larynx. Sir T. Browne.


A hinged leaf, as of a table or shutter.


The motion of anything broad and loose, or a stroke or sound made with it; as, the flap of a sail or of a wing.

4. pl. Far.

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.


© Webster 1913.

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.]


To beat with a flap; to strike.

Yet let me flap this bug with gilded wings. Pope.


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.


© Webster 1913.

Flap, v. i.


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.


To fall and hang like a flap, as the brim of a hat, or other broad thing.



© Webster 1913.