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

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