governor

noun

• 1an official appointed to govern a town or region.
• the elected executive head of a state of the US.
• the representative of the British Crown in a colony or in a Commonwealth state that regards the monarch as head of state.

• 2the head of a public institution:the governor of the Bank of England
• a member of a governing body.

• 3British informal the person in authority; one’s employer.

• 4a device automatically regulating the supply of fuel, steam, or water to a machine, ensuring uniform motion or limiting speed.