controller
Pronunciation:
/kənˈtɹəʊlə//kənˈtɹoʊlɚ/noun
Definitions
One who controls something.
Any electric or mechanical device for controlling a circuit or system.
A person who audits, and manages the financial affairs of a company or government; a comptroller.
A mechanism that controls or regulates the operation of a machine, especially a peripheral device in a computer.