switch

Sense 1 noun

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

Sense 2 verb

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

Sense 3 noun

an event in which one thing is substituted for another

the replacement of lost blood by a transfusion of donor blood

Sense 4 verb

exchange or give (something) in exchange for

Sense 5 noun

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

Sense 6 verb

lay aside, abandon, or leave for another

switch to a different brand of beer

Sense 7 noun

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

Sense 8 verb

make a shift in or exchange of

First Joe led; then we switched

Sense 9 noun

a flexible implement used as an instrument of punishment

Sense 10 verb

cause to go on or to be engaged or set in operation

switch on the light

Sense 11 noun

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

Sense 12 verb

flog with or as if with a flexible rod

Sense 13 noun

the act of changing one thing or position for another

his switch on abortion cost him the election

Sense 14 verb

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