Crank is defined as a handle or a bent arm which is used to make a motor or machine rotate, or a crank is an informal term for a grouchy person.(noun)
Crank means to start or operate something by turning a handle, or is slang for turning up the volume.(verb)
The definition of crank is owned by or resulting from a grouchy or irrational person.(adjective)
An example of crank used as an adjective is in the phrase "crank call," which means a phone call from a prankster.
See crank in Webster's New World College Dictionary
Origin: ME < OE cranc-, as in crancstæf, yarn comb, cringe, crinkle: basic sense “something twisted”: for IE base see cradle
Origin: earlier crank sided < Du or Fris krengd, laid over (< krengan, to push over, lit., make cringe; akin to cringe): assimilated in form to crank
Origin: LME cranke < ?
See crank in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English cranc- (as in crancstǽf, weaving implement).
Origin: Origin unknown.
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