| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024flap /flæp/USA pronunciation v., flapped, flap•ping, n. v. - to (cause to) swing back and forth loosely: [no object]A loose shutter flapped noisily.[~ + object]The wind flapped the loose shutter.
- to (cause to) move up and down, such as wings or arms: [no object]The great bird's wings flapped.[~ + object]It flapped its wings once.
n. [countable] - something flat and broad that is attached at one side only and hangs loosely or covers an opening:the flap on a jacket pocket.
- a flapping motion or sound:the flap of wings.
- Slang Terms[Informal.]
- a state of excitement:The town was in a flap over the scandals.
WordReference Random House Unabridged Dictionary of American English © 2024flap (flap),USA pronunciation v., flapped, flap•ping, n. v.i. - to swing or sway back and forth loosely, esp. with noise:A loose shutter flapped outside the window.
- to move up and down, as wings;
flap the wings, or make similar movements. - to strike a blow with something broad and flexible.
- Slang Termsto become excited or confused, esp. under stress:a seasoned diplomat who doesn't flap easily.
v.t. - to move (wings, arms, etc.) up and down.
- to cause to swing or sway loosely, esp. with noise.
- to strike with something broad and flat.
- to toss, fold, shut, etc., smartly, roughly, or noisily.
- Phoneticsto pronounce (a sound) with articulation resembling that of a flap:The British often flap theirr's.
n. - something flat and broad that is attached at one side only and hangs loosely or covers an opening:the flap of an envelope; the flap of a pocket.
- either of the two segments of a book jacket folding under the book's front and back covers.
- one leaf of a folding door, shutter, or the like.
- a flapping motion.
- the noise produced by something that flaps.
- a blow given with something broad and flat.
- Slang Terms
- a state of nervous excitement, commotion, or disorganization.
- an emergency situation.
- scandal;
trouble.
- Surgerya portion of skin or flesh that is partially separated from the body and may subsequently be transposed by grafting.
- Aeronauticsa movable surface used for increasing the lift or drag of an airplane.
- Phonetics
- Phoneticsa rapid flip of the tongue tip against the upper teeth or alveolar ridge, as in the r-sound in a common British pronunciation of very, or the t-sound in the common American pronunciation of water.
- Phoneticsa trill.
- Phoneticsa flipping out of the lower lip from a position of pressure against the upper teeth so as to produce an audible pop, as in emphatic utterances containing f-sounds or v-sounds.
- Building
- Also called backflap hinge, flap′ hinge′. a hinge having a strap or plate for screwing to the face of a door, shutter, or the like. See illus. under hinge.
- one leaf of a hinge.
- 1275–1325; Middle English flappe a blow, slap, flappen to hit, slap; compare Dutch flap, flappen
Collins Concise English Dictionary © HarperCollins Publishers:: flap /flæp/ vb (flaps, flapping, flapped)- to move (wings or arms) up and down, esp in or as if in flying, or (of wings or arms) to move in this way
- to move or cause to move noisily back and forth or up and down: the curtains flapped in the breeze
- (intransitive) informal to become agitated or flustered; panic
- to deal (a person or thing) a blow with a broad flexible object
n - the action, motion, or noise made by flapping: with one flap of its wings the bird was off
- a piece of material, etc, attached at one edge and usually used to cover an opening, as on a tent, envelope, or pocket
- a blow dealt with a flat object; slap
- a movable surface fixed to the trailing edge of an aircraft wing that increases lift during takeoff and drag during landing
- informal a state of panic, distress, or agitation
Etymology: 14th Century: probably of imitative origin |