switch

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; "the replacement of lost blood by a transfusion of donor blood"

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; "his switch on abortion cost him the election"

change over, change around, as to a new order or sequence

exchange or give (something) in exchange for

lay aside, abandon, or leave for another; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes"

make a shift in or exchange of; "First Joe led; then we switched"

cause to go on or to be engaged or set in operation; "switch on the light"; "throw the lever"

flog with or as if with a flexible rod

reverse (a direction, attitude, or course of action)