Definition of "Cock" :

noun: adult male bird

noun: adult male chicken

noun: the part of a gunlock that strikes the percussion cap when the trigger is pulled

noun: faucet consisting of a rotating device for regulating flow of a liquid

noun: obscene terms for penis

verb: set the trigger of a firearm back for firing

verb: tilt or slant to one side

"Cock one's head."

verb: to walk with a lofty proud gait, often in an attempt to impress others