wind-up or wind·up (wīndŭp′)
a. The act of bringing something to an end.
b. A concluding part; a conclusion.
2. 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.
Operated by a spring that is wound up by hand.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.