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Meaning of FLAP

Pronunciation:  flap

WordNet Dictionary
 
 Definition: 
  1. [n]  any broad thin and limber covering attached at one edge; hangs loose or projects freely; "he wrote on the flap of the envelope"
  2. [n]  a movable airfoil that is part of an aircraft wing; used to increase lift or drag
  3. [n]  a movable piece of tissue partly connected to the body
  4. [n]  the motion made by flapping up and down
  5. [n]  an excited state of agitation; "he was in a dither"; "there was a terrible flap about the theft"
  6. [v]  pronounce with a flap, of alveolar sounds
  7. [v]  make a fuss; be agitated
  8. [v]  move noisily; "flags flapped in the strong wind"
  9. [v]  move in a wavy pattern, as of curtains
  10. [v]  move with a flapping motion; "The bird's wings were flapping"
  11. [v]  move with a thrashing motion; "The bird flapped its wings"; "The eagle beat its wings and soared high into the sky"
 
 Websites: 
 
 Synonyms: dither, dither, flapping, flaps, flutter, fluttering, fuss, pother, pother, tizzy, undulate, wave
 
 See Also: aerofoil, agitation, airfoil, animal tissue, articulate, barndoor, bate, beat, clap, coattail, codpiece, control surface, covering, cusp, dag, displace, earflap, earlap, enounce, enunciate, flail, fly, fly sheet, fret, fuss, jag, landing flap, lap, leaflet, luff, move, niggle, overlap, pocket flap, pound, pronounce, protective fold, say, soft palate, sound out, surface, tent flap, tent-fly, thresh, thump, tongue, undulation, uvula, velum, wave, wing

 

 

Webster's 1913 Dictionary
 
 Definition: 
  1. \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.
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. 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.

  2. \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.

  3. \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.
 
Computing Dictionary
 
 Definition: 

  1. A symbolic mathematics package for IBM 360.

    ["FLAP Programmer's Manual", A.H. Morris Jr., TR-2558 (1971) US Naval Weapons Lab].

    [Sammet 1969, p. 506].

    [Jargon File]

  2. 1. To unload a DECtape (so it goes flap, flap, flap). Old-time hackers at MIT tell of the days when the disk was device 0 and microtapes were 1, 2, etc. and attempting to flap device 0 would instead start a motor banging inside a cabinet near the disk.

    The term is used, by extension, for unloading any magnetic tape. See also macrotape. Modern cartridge tapes no longer actually flap, but the usage has remained.

    The term could well be re-applied to DEC's TK50 cartridge tape drive, a spectacularly misengineered contraption which makes a loud flapping sound, almost like an old reel-type lawnmower, in one of its many tape-eating failure modes.

    2. See flapping router.

    [Jargon File]

 
Thesaurus Terms
 
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