Sentence:  I grind my coffee by hand with a coffee grinder with a <WSD>crank</WSD> handle. 
Meaning of the word marked with <WSD> tags:  A bent piece of an axle or shaft, or an attached arm perpendicular, or nearly so, to the end of a shaft or wheel, used to impart a rotation to a wheel or other mechanical device; also used to change circular into reciprocating motion, or reciprocating into circular motion.