Flap /(?)/

Flap

n.
  1. 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.
  2. A hinged leaf, as of a table or shutter.
  3. 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. A disease in the lips of horses. (Far.)
  5. a movable part of an airplane wing, used to increase lift or drag, especially when taking off or landing. used often in the plural. (Aeronautics)

Phrases & Compounds
Flap tile
a tile with a bent up portion, to turn a corner or catch a drip.
Flap valve
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

  1. To beat with a flap; to strike.
    Yet let me flap this bug with gilded wings.
  2. To move, as something broad and flaplike; as, to flap the wings; to let fall, as the brim of a hat.

Phrases & Compounds
To flap in the mouth
to taunt.

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