1. Abbr. Gov. A person who governs, especially:
a. The chief executive of a state in the United States.
b. An official appointed to govern a colony or territory.
c. A member of a governing body.
2. The manager or administrative head of an organization, business, or institution.
3. Abbr. Gov. A military commandant.
4. Chiefly British Used as a form of polite address for a man.
5. A feedback device on a machine or engine that is used to provide automatic control, as of speed, pressure, or temperature.
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.