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English definition of “crank”

crank

noun [C]     /kræŋk/
PERSON informal someone with strange ideas or behaviour Of unsound mindStupid and sillyStrange, suspicious and unnatural things and people
HANDLE a handle that you turn to make a machine work Machine parts
(Definition of crank noun from the Cambridge Learner's Dictionary © Cambridge University Press)

Definitions of “crank” in other dictionaries

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