Definition of Switch

Noun

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

Verb

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

• Scrabble® score of the switch (14)
• Word Chums® score of the switch (18)
• Words With Friends® score of the switch (14)