Guvernor
A governor is a title used for several offices and roles in politics and engineering. In politics, a governor typically refers to the head of the executive branch of a subnational entity such as a state, province, or territory. The term can also describe a colonial administrator or a ceremonial representative of a sovereign power in a territory. In engineering and mechanics, a governor is a device that regulates the speed of a machine by adjusting input such as fuel or fuel-valve flow in response to changes in shaft speed.
In political systems, the role and methods of selection of a governor vary by country. In federations
In countries influenced by the Commonwealth or constitutional monarchies, governors can appear as ceremonial heads of
The engineering sense of governor encompasses devices such as centrifugal or spring-operated governors used in steam