Online Google Dictionary

flap 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/flap/,
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flapping, present participle; flapped, past participle; flapped, past tense; flaps, 3rd person singular present;
  1. (of a bird) Move (its wings) up and down when flying or preparing to fly
    • - a pheasant flapped its wings
    • - gulls flapped around uttering their strange cries
  2. (of something attached at one point or loosely fastened) Flutter or wave around
    • - the tent bent with the gale, and the corners flapped furiously
  3. Move (one's arms or hands) up and down or back and forth
    • - she began flapping her arms to drive away the permeating cold
  4. Strike or attempt to strike (something) loosely with one's hand, a cloth, or a broad implement, esp. to drive it away
    • - they flap away the flies with peacock tails
  5. Wave (something, esp. a cloth) around or at something or someone
    • - she flapped the duster angrily
Noun
  1. A 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
  2. A 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
  3. The part of a dust jacket that folds inside a book's cover, on which a summary of the book or a biographical sketch of the author is typically printed
    • - I read a book jacket flap that said that the author lived with her husband in Connecticut
  4. A large broad mushroom

  5. A type of consonant produced by allowing the tip of the tongue to strike the alveolar ridge very briefly

  6. A movement of a wing or an arm from side to side or up and down
    • - the surviving bird made a few final despairing flaps
  7. The sound of something making such a movement
    • - hear the coo of the dove, the flap of its wings
  8. A state of agitation; a panic
    • - they're in a flap over who's going to take Henry's lectures
  1. any broad thin and limber covering attached at one edge; hangs loose or projects freely; "he wrote on the flap of the envelope"
  2. roll: move in a wavy pattern or with a rising and falling motion; "The curtains undulated"; "the waves rolled towards the beach"
  3. dither: an excited state of agitation; "he was in a dither"; "there was a terrible flap about the theft"
  4. move noisily; "flags flapped in the strong wind"
  5. beat: move with a thrashing motion; "The bird flapped its wings"; "The eagle beat its wings and soared high into the sky"
  6. the motion made by flapping up and down
  7. Flaps are hinged surfaces on the trailing edge of the wings of a fixed-wing aircraft. As flaps are extended, the stalling speed of the aircraft is reduced, which means that the aircraft can fly safely at slower speeds (especially during take off and landing). ...
  8. LAMP is an acronym for a solution stack of free, open source software, originally coined from the first letters of Linux (operating system), Apache HTTP Server, MySQL (database software) and PHP/Perl/Python, principal components to build a viable general purpose web server .
  9. (Flaps (card game)) FLAPS, originally based on Two Four Jacks or Black Jack, is a shedding-type card game for two or more players that is popular in the United Kingdom and Czech Republic. ...
  10. Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved; A hinged leaf, as of a table or shutter; An upset, stir, scandal or controversy; The motion of anything broad and loose, or a stroke or sound made with it; A disease in the lips of horses; ...
  11. (Flaps) Extensions of the sidewall that close a box. Flaps are then usually closed with tape, glue or metal staples.
  12. (Flaps) surfaces on the wings of an aircraft which increase lift and drag, usually for takeoff and landing
  13. (FLAPS) Hinged surfaces on the inboard rear of wings, deployed to increase wing curvature (and thus, lift), primarily used to control angle of descent and to decrease landing touchdown speeds.
  14. (FLAPS) Friendly Local Automotive Parts Store
  15. (Flaps) A control surface on fixed-wing aircraft, usually mounted to the fore edge of the wings, that extends the wing to provide added lift at low speeds; COMPARE: slats; SYMBOLS: delta sub F; TYPICAL UNITS: rad, deg,percent;
  16. (Flaps) Camber changing devices on the trailing edge of a wing. They make small adjustments to the stalling speed of a glider, and make the wing more suitably shaped for flight at different speed ranges. ...
  17. (Flaps) Closure piece of the envelope, usually containing the glue strip.
  18. (Flaps) On boxes where there are four box flaps, these are designated based on their size and order which they are folded in (The minor flaps are normally smaller and are folded in first and the major flaps are larger and are folded in after the minors).
  19. (Flaps) Parts of the wings that can be extended to help slow the plane for landing and increase lift at low speeds. Full flaps are typically used for landing, and partial flaps may also be used for takeoff.
  20. (Flaps) The movable section of the wing that increases lift and drag and allows for slower, steeper descents during landing.
  21. (Flaps) are deployed when the plane is landing or taking off.
  22. (flaps) Hinged portions of the wing that act together to increase the lift characteristics of the wing. Most often used to allow slower landings, and shorter takeoffs. Not present in most aerobatic aircraft.
  23. a region of paper in an origami shape that is attached only along one edge so that it can be easily manipulated by itself.
  24. A major problem or serious incident. "There was a huge flap at the org."