flapping


Also found in: Thesaurus, Medical, Idioms, Encyclopedia, Wikipedia.
Related to flapping: flapping tremor

flap

 (flăp)
n.
1.
a. A projecting or hanging piece usually attached to something on one side and often intended to protect or cover: the flap of an envelope.
b. Either of the folded ends of a book jacket that fit inside the front and back covers.
c. A variable control surface on the trailing edge of an aircraft wing, used primarily to increase lift or drag.
d. Medicine A piece of tissue that has been partially detached and used in surgical grafting to fill an adjacent defect or cover the cut end of a bone after amputation.
2.
a. The act of waving or fluttering: the flap of the flag in the wind.
b. The sound produced by this motion.
3. Linguistics A sound articulated by a single, quick touch of the tongue against the teeth or alveolar ridge, as (t) in water. Also called tap1.
4. Informal A commotion or disturbance: a flap in Congress over the defense budget.
5. Archaic A blow given with something flat; a slap.
v. flapped, flap·ping, flaps
v.tr.
1. To move (wings or arms, for example) up and down.
2. To cause to move or sway with a fluttering or waving motion: The wind is flapping the tent fly.
3. To cause to strike against something: flapped the paper on the table.
v.intr.
1.
a. To move wings or the arms up and down.
b. To fly by beating the air with the wings: The crow flapped away.
2. To move or sway while fixed at one edge or corner; flutter: banners flapping in the breeze.

[Middle English flappe, slap.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.flapping - the motion made by flapping up and downflapping - the motion made by flapping up and down
undulation, wave - (physics) a movement up and down or back and forth
References in classic literature ?
It broke the ice in the beginning by producing a laugh, it created quite a refreshing breeze, flapping to and fro as she rowed, and would make an excellent umbrella for the whole party, if a shower came up, she said.
I was lying in a little room, scarcely larger than the bed that held me, and the window-shade at my head was flapping softly in a warm wind.
He rode with short stirrups, which brought his knees nearly up to the pommel of the saddle; his sharp elbows stuck out like grasshoppers'; he carried his whip perpendicularly in his hand, like a sceptre, and as his horse jogged on, the motion of his arms was not unlike the flapping of a pair of wings.
Windows were rattling, shutters flapping, and wind carousing, rumbling, and tumbling down the chimney, and, every once in a while, puffing out smoke and ashes, as if a legion of spirits were coming after them.
There was an exchange of bugle blasts; then a parley from the walls, where men-at-arms, in hauberk and morion, marched back and forth with halberd at shoulder under flapping banners with the rude figure of a dragon displayed upon them; and then the great gates were flung open, the drawbridge was lowered, and the head of the cavalcade swept forward under the frowning arches; and we, following, soon found ourselves in a great paved court, with towers and turrets stretching up into the blue air on all the four sides; and all about us the dismount was going on, and much greeting and ceremony, and running to and fro, and a gay display of moving and intermingling colors, and an altogether pleasant stir and noise and confusion.
Around our hats were wound many folds of soft white muslin, with the ends hanging and flapping down our backs--an idea brought from the Orient and used by tourists all over Europe.
And then one by one they got up and stood, and went a-weaving around the ring so gentle and wavy and graceful, the men looking ever so tall and airy and straight, with their heads bobbing and skimming along, away up there under the tent-roof, and every lady's rose-leafy dress flapping soft and silky around her hips, and she looking like the most loveliest parasol.
New angels are like the militia - never shed the uniform - always fluttering and floundering around in their wings, butting people down, flapping here, and there, and everywhere, always imagining they are attracting the admiring eye - well, they just think they are the very most important people in heaven.
The aunts could hear her scurrying to and fro, beating up pillows and feather beds, flapping towels, jingling crockery, singing meanwhile in her clear voice:--
The lattice, flapping to and fro, had grazed one hand that rested on the sill; no blood trickled from the broken skin, and when I put my fingers to it, I could doubt no more: he was dead and stark!
Lorry, the passenger, shaking himself out of it in chains of straw, a tangle of shaggy wrapper, flapping hat, and muddy legs, was rather like a larger sort of dog.
The second mast was yet standing, with the rags of a rent sail, and a wild confusion of broken cordage flapping to and fro.