n.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.