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English definition of “flap”

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flap

verb [I/T]  /flæp/ (-pp-) us  

flap verb [I/T] (WAVE)

(of a bird’s wings) to wave up and down while flying, or (of objects that cannot fly) to move quickly from side to side or up and down: [T] A small bird flapped its wings. [I] Flags flapped in the breeze.

flap

noun [C]  /flæp/ us  

flap noun [C] (PIECE)

a piece of cloth or other material attached along one edge to something else: a pocket/tent flap

flap noun [C] (EMOTIONAL STATE)

a state of excitement or worry: She caused a big flap when she told her husband about her parentsvisit.

flap noun [C] (WAVE)

a waving movement from side to side or up and down: The bird flew into the air with a flap of its wings.
(Definition of flap from the Cambridge Academic Content Dictionary © Cambridge University Press)
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