Full of spirit; brisk; lively; sprightly; overconfident; opinionated.
Noun
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.
The act of converting power into motion, by turning a crankshaft.