- switch, electric switch, electrical switch - control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
--1 is a kind of control, controller
--1 has particulars:commutator; cutout; ignition switch; push button, push, button; selector, selector switch; three-way switch, three-point switch; time-switch; toggle switch, toggle, on-off switch, on/off switch