noun
The end or conclusion of something.
The punch line of a joke or comedy routine.
(British) A humorous attempt to fool somebody; a practical joke in which the victim is encouraged to believe something untrue.
(baseball) The phase of making a pitch where the pitcher moves his or her arm backwards before throwing the ball.
(television) A circular hand gesture, supposed to represent the winding on of film, used to signal to a performer to finish quickly.
adjective
(of a machine) Needing to be wound up in order to function.