Definition of flap in English:

flap

Syllabification: flap
Pronunciation: /flap
 
/

verb (flaps, flapping, flapped)

[with object]
1(Of a bird) move (its wings) up and down when flying or preparing to fly: a pheasant flapped its wings [no object]: gulls flapped around uttering their strange cries
More example sentences
  • Scientists have discovered that as each bird flaps its wings it creates uplift for the bird immediately following.
  • These tiny birds can flap their wings up to 70 times per second.
  • I've seen our power lines go down when a bird flaps its wings near them, so I'm thinking we may be in the dark tonight.
Synonyms
beat, flutter, agitate, wave, wag, swing
1.1 [no object] (Of something attached at one point or loosely fastened) flutter or wave around: the tent bent with the gale, and the corners flapped furiously
More example sentences
  • The sheets have been flapping furiously on the washing lines as if heralding the new front approaching from the west.
  • As the plants were locked away in a closed section next to the cafe, I strained my neck to see the price tags flapping furiously in the wind.
  • A thin breeze caught some strands of her short hair and sent some waves flapping in the wind.
Synonyms
flutter, fly, blow, swing, sway, ripple, stir
1.2Wave (something) around or at something or someone: she flapped the duster angrily she began flapping her arms to drive away the permeating cold
More example sentences
  • I was almost mauled by an easily excitable Olympic volunteer flapping her security pass around because I tried to take the quicker way out of the train station.
  • Do you stand there and keep flapping the tray about until the traymat dislodges itself?
1.3Strike or attempt to strike (something) loosely with one’s hand, a cloth, or a broad implement, especially to drive it away.

noun

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1A piece of something thin, such as cloth, paper, or metal, hinged or attached only on one side, that covers an opening or hangs down from something: the flap of the envelope he pushed through the tent flap
More example sentences
  • It was a very large room, looking like a gym only a bit smaller, and there were several holes in the side of the wall that were covered up by metal flaps which looked like they could be opened.
  • The neck is covered by flaps attached to the vest.
  • He nodded to Hazel and she left, watching Katrina until the flaps of the tent covered her face.
Synonyms
fold, overlap, covering
1.1A hinged or sliding section of an aircraft wing used to control lift: flaps are normally moved by the hydraulics a final approach at sixty knots with 45° of flap
More example sentences
  • Another consideration is to minimize the drag devices: the landing gear, the flaps and the windmilling propeller.
  • The aircraft also have composite ailerons, spoilers, flaps, vertical tail skin and horizontal tail skin, but they have aluminum wings.
  • Agglomerations of wings and cowling, flaps, rudders and fuselage rise dramatically from narrow steel legs.
1.2A large broad mushroom.
1.3 Phonetics A type of consonant produced by allowing the tip of the tongue to strike the alveolar ridge very briefly.
2A movement of a wing or an arm from side to side or up and down: the surviving bird made a few final despairing flaps
More example sentences
  • Residents have enjoyed watching the young birds progress from falling to the ground after a couple flaps of their wings to confident flyers.
  • The Butterfly Effect derives its name from the chaos theory which suggests that the simple flap of a butterfly's wings has the potential to set off a tornado thousands of miles away.
  • He could feel the wind blowing his bangs backwards and could hear the soft flap of his headband.
Synonyms
flutter, fluttering, beat, beating, waving
2.1 [in singular] The sound of something making a flapping movement: hear the coo of the dove, the flap of its wings
More example sentences
  • Just as I was about to stand up, I felt a faint gust of wind on the nape of my neck and the accompanying sound of a leathery flap was barely audible.
  • The wings make an unmistakable flap as they beat the air, its sound like the steady methodical beat of a snare drum slowly drawing nearer.
3 [in singular] informal A state of agitation; a panic: they’re in a flap over who’s going to take Henry’s lectures
More example sentences
  • Size isn't important, or so the saying goes… but abseilers might think differently after a banner left them, and Rochdale Council, in a flap.
  • An injured cygnet had a rescue team in a flap as it took five days to catch in Chippenham.
  • I remember a Christmas, not too long ago, when I was in a flap because our new daughter-in-law was coming for Christmas Dinner and I wanted it to be perfect.
Synonyms
panic, fluster, state, dither, twitter, stew, tizzyfuss, commotion, stir, hubbub, storm, uproar; controversy, brouhaha, furor
informal to-do, ballyhoo, hoo-ha

Origin

Middle English: probably imitative.

Derivatives

flappy

adjective
More example sentences
  • But now and again, I'd wake up to see 2 little dark shapes with little flappy wings gouging at my legs.
  • In particular, the sleeves were just the right width - not too narrow, not too flappy.
  • The only minus is that the sleeves are kind of flappy.

Definition of flap in:

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Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something