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controller

controller /kənˈtroʊlɚ/ noun
plural controllers
controller
/kənˈtroʊlɚ/
noun
plural controllers
Britannica Dictionary definition of CONTROLLER
[count]
: a person who is in charge of the money received and paid out by a business or college
: a person who directs the action of something
: a device or piece of equipment used to operate a machine, vehicle, or system