switch

(n) control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit electrical switch, electric switch,
(n) an event in which one thing is substituted for another
- the replacement of lost blood by a transfusion of donor blood
permutation, substitution, transposition, replacement,
(n) hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure
(n) railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock
(n) a flexible implement used as an instrument of punishment
(n) a basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other
(n) the act of changing one thing or position for another
- his switch on abortion cost him the election
switching, shift,

(v) change over, change around, as to a new order or sequence switch over, exchange,
(v) exchange or give (something) in exchange for swap, swop, trade,
(v) lay aside, abandon, or leave for another
- switch to a different brand of beer
- She switched psychiatrists
- The car changed lanes
change, shift,
(v) make a shift in or exchange of
- First Joe led; then we switched
change over, shift,
(v) cause to go on or to be engaged or set in operation
- switch on the light
- throw the lever
flip, throw,
(v) flog with or as if with a flexible rod
(v) reverse (a direction, attitude, or course of action) flip-flop, alternate, interchange, tack, flip,

switch over exchange electrical switch electric switch swap swop trade permutation substitution transposition replacement change shift change over flip throw flip-flop alternate interchange tack switching

switchblade switchblade knife switchboard switchboard operator switch cane switch engine switcher switcheroo switch grass switch-hit switch-hitter switching switch-ivy switchman switch off switch on switch over