control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit

an event in which one thing is substituted for another

hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure

railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock

a flexible implement used as an instrument of punishment

a basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other

the act of changing one thing or position for another