Crank

biela

(a bent piece of an axle or shaft, or an arm attached to the end of a shaft or wheel, used to impart a rotation)

cascarrabias

(ill-tempered or nasty person)

cigüeñuela

(a bent piece of an axle or shaft, or an arm attached to the end of a shaft or wheel, used to impart a rotation)

curva

(any bend, turn, or winding, as of a passage)

dar vuelta a

(act of turning a crankshaft)

girar

(act of turning a crankshaft)

manivela

(a bent piece of an axle or shaft, or an arm attached to the end of a shaft or wheel, used to impart a rotation)

maniático

(ill-tempered or nasty person)

rabil

(a bent piece of an axle or shaft, or an arm attached to the end of a shaft or wheel, used to impart a rotation)

rotar

(act of turning a crankshaft)