American English

Definition of flap noun from the Oxford Advanced American Dictionary



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    flat piece of paper, etc.
  1. 1[countable] a flat piece of paper, cloth, metal, etc. that is attached to something along one side and that hangs down or covers an opening the flap of an envelope I zipped the tent flaps shut. The jacket was fastened with a complicated buttoned flap. He was wearing a deerstalker hat with flaps to cover the ears.
  2. movement
  3. 2[countable, usually singular] a quick, often noisy, movement of something up and down or from side to side With a flap of its wings, the bird was gone. the flap of the sails
  4. public disagreement
  5. 3[singular] public disagreement, anger, or criticism caused by something a public figure has said or done the flap about the President's business affairs
  6. part of aircraft
  7. 4[countable] a part of the wing of an aircraft that can be moved up or down to control upward or downward movement The wing flaps were not extended at the time of the accident.
  8. phonetics
  9. 5[countable] = tap
See the Oxford Advanced Learner's Dictionary entry: flap

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