- 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. see also cat flap movement
- 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 worry/excitement
- 3[singular] (informal, especially British English) a state of worry, confusion and excitement She gets in a flap over the slightest thing. Harry’s in a bit of a flap over this interview tomorrow. public disagreement
- 4[singular] (North American English) public disagreement, anger or criticism caused by something a public figure has said or done the flap about the President’s business affairs part of aircraft
- 5[countable] (specialist) a part of the wing of an aircraft, on the rear of the wing, 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. See related entries: Parts of a plane phonetics
- 6 [countable] = tap Word Origin Middle English: probably imitative.Extra examples Having to cook for everyone at Christmas put his mother in a real flap. He drew back the tent flap. I’ve never seen her in a flap; she’s always so calm. The officer undid the flap of his holster and drew his gun. The pilot lowered the flaps as the aircraft came into land. a flap over nuclear issues a loose flap of skin a stylish jacket with leather cuffs and pocket flaps It is all part of the continuing flap about the President’s business affairs. With a flap of its wings the bird was gone.
flat piece of paper, etc.