Quick definitions from WordNet (crank)

▸ noun:  a hand tool consisting of a rotating shaft with parallel handle
▸ noun:  a whimsically eccentric person
▸ noun:  a bad-tempered person
▸ noun:  amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
▸ verb:  bend into the shape of a crank
▸ verb:  fasten with a crank
▸ verb:  rotate with a crank
▸ verb:  start by cranking ("Crank up the engine")
▸ verb:  travel along a zigzag path
▸ adjective:  (used of boats) inclined to heel over easily under sail
▸ name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #8583)

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▸ Also see crank