wind-up

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act of bringing something to an end.
• noun A concluding part; a conclusion.
• noun Baseball The series of movements of a pitcher, including the swinging back of the arm and the raising of the forward foot, preparatory to pitching the ball. A wind-up is usually used when there are no base runners or when the bases are loaded.
• adjective Operated by a spring that is wound up by hand.

from The Century Dictionary.

• noun The conclusion or final adjustment and settlement of any matter, as a speech, business, entertainment, etc.; the closing act; the close.

from the GNU version of the Collaborative International Dictionary of English.

• noun Act of winding up, or closing; a concluding act or part; the end.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The end or conclusion of something.
• noun A punch line of a joke or comedy routine.
• noun A joke, an attempt to fool someone or to make them angry.
• noun baseball the part of a pitch where the pitcher moves his or her arm backwards before throwing the ball.
• adjective of a machine needing to be wound up in order to function.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb give a preliminary swing to the arm pitching
• verb finally be or do something
• verb coil the spring of (some mechanical device) by turning a stem
• verb stimulate sexually
• adjective operated by a mechanism
• noun a concluding action