The noun switch has 7 senses (first 2 from tagged texts)
1. (4) switch, electric switch, electrical switch -- (control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit)
2. (1) substitution, permutation, transposition, replacement, switch -- (an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood")
3. switch -- (hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure)
4. switch -- (railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock)
5. switch -- (a flexible implement used as an instrument of punishment)
6. switch -- (a basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other)
7. switch, switching, shift -- (the act of changing one thing or position for another; "his switch on abortion cost him the election")
Overview of verb switch
The verb switch has 7 senses (first 4 from tagged texts)
1. (5) switch over, switch, exchange -- (change over, change around, as to a new order or sequence)
2. (3) trade, swap, swop, switch -- (exchange or give (something) in exchange for)
3. (2) switch, shift, change -- (lay aside, abandon, or leave for another; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes")
4. (1) switch, change over, shift -- (make a shift in or exchange of; "First Joe led; then we switched")
5. throw, flip, switch -- (cause to go on or to be engaged or set in operation; "switch on the light"; "throw the lever")
6. switch -- (flog with or as if with a flexible rod)
7. interchange, tack, switch, alternate, flip, flip-flop -- (reverse (a direction, attitude, or course of action))