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flap

noun [C] (AIRCRAFT PART)
 
 
/flæp/ specialized

Definition

part of the back of an aircraft wing that can be moved up or down to help the aircraft go up or downParts of aeroplanes
(Definition of flap noun (AIRCRAFT PART) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“flap” in other dictionaries

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