governor
US /ˈɡʌv.ɚ.nɚ/
UK /ˈɡʌv.ɚ.nɚ/

1.
the elected head of a state in the US
:
•
The governor signed the new bill into law.
•
She is running for governor in the next election.
2.
a person who is the official head of a public institution or a province
:
•
The governor of the central bank announced new economic policies.
•
He was appointed governor of the remote island.
3.
a device that controls the speed of an engine, especially by automatically regulating the supply of fuel
:
•
The engine's governor prevents it from over-revving.
•
A faulty governor can cause engine instability.