FLAPPING
flap, flapping, flutter, fluttering
(noun) the motion made by flapping up and down
FLAP
flap
(verb) pronounce with a flap, of alveolar sounds
dither, flap, pother
(verb) make a fuss; be agitated
flap
(verb) move noisily; “flags flapped in the strong wind”
beat, flap
(verb) move with a flapping motion; “The bird’s wings were flapping”
beat, flap
(verb) move with a thrashing motion; “The bird flapped its wings”; “The eagle beat its wings and soared high into the sky”
Source: WordNet® 3.1
Adjective
flapping (not comparable)
that flaps or flap
Noun
flapping (countable and uncountable, plural flappings)
An instance where one flaps.
(phonology) A phonological process found in many dialects of English, especially American English and Canadian English, by which intervocalic /t/ and /d/ surface as the alveolar flap /Éľ/ before an unstressed syllable, so that words such as "metal" and "medal" are pronounced similarly or identically.
(computing, telecommunications) The situation where a resource, a network destination, etc, is advertised as being available and then unavailable (or available by different routes) in rapid succession.
Verb
flapping
present participle of flap
Source: Wiktionary
FLAP
Flap, n. Etym: [OE. flappe, flap, blow, bly-flap; cf. D. flap, and E.
flap, v.]
Definition: 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.)
Definition: 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, 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, 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.
Source: Webster’s Unabridged Dictionary 1913 Edition