windup: Meaning and Definition of

wind•up

1. the conclusion of any action, activity, etc.; the end or close.
2. a final act or part.
3. the preparatory movements of the arm before pitching a ball. Cf.(def. 22).
4. a mechanical object, as a toy or wristwatch, that is driven by a spring or similar mechanism that must be wound.
5. an act or instance of winding up.