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English definition of “crank”

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crank

noun uk   /kræŋk/ us  

crank noun (PERSON)

[C] informal a person who has strange or unusual ideas and beliefs US [C] informal an unpleasant and easily annoyed person: She's always a crank first thing in the morning.

crank noun (EQUIPMENT)

[C] a device that creates movement between parts of a machine or that changes backward and forward movement into circular movement: a crank handle

crank noun (DRUG)

[U] US an illegal drug that is a form of methamphetamine
(Definition of crank from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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