1

switch

play
noun \ˈswich\

Definition of switch

  1. 1 :  a slender flexible whip, rod, or twig a riding switch

  2. 2 :  an act of switching: such asa :  a blow with a switchb :  a shift from one to anotherc :  a change from the usual that outfit is a switch

  3. 3 :  a tuft of long hairs at the end of the tail of an animal (such as a cow) — see cow illustration

  4. 4 :  a device made usually of two movable rails and necessary connections and designed to turn a locomotive or train from one track to another

  5. 5 :  a device for making, breaking, or changing the connections in an electrical circuit

  6. 6 :  a heavy strand of hair used in addition to a person's own hair for some coiffures

Examples of switch in a Sentence

  1. She flicked a switch and turned the lamp on.

  2. He threw the switch to stop the machine.

Recent Examples of switch from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'switch.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of switch

perhaps from Middle Dutch swijch twig


2

switch

verb

Definition of switch

  1. transitive verb
  2. 1 :  to strike or beat with or as if with a switch

  3. 2 :  whisk, lash a cat switching its tail

  4. 3a (1) :  to turn from one railroad track to another :  shunt (2) :  to move (cars) to different positions on the same track within terminal areasb :  to make a shift in or exchange of switch seats

  5. 4a :  to shift to another electrical circuit by means of a switchb (1) :  to operate an electrical switch so as to turn (a device) on or off —usually used with on or off (2) :  to change to or from an active state —usually used with on or off switched on the gene

  6. intransitive verb
  7. 1 :  to lash from side to side

  8. 2 :  to make a shift or exchange

switchable

play \ˈswi-chə-bəl\ adjective

switcher

noun

Examples of switch in a Sentence

  1. I switched to a new doctor.

  2. He kept switching back and forth between topics.

  3. She switched back to her original insurance company.

  4. We switched over to a different telephone service.

  5. Why did you switch jobs?

Recent Examples of switch from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'switch.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of switch

circa 1611



SWITCH Defined for English Language Learners

switch

play
noun

Definition of switch for English Language Learners

  • : a small device that starts or stops the flow of electricity to something (such as a lamp or a machine) when it is pressed or moved up and down

  • : a sudden change from one thing to another

  • : a device for moving the rails of a track so that a train may be turned from one track to another

switch

verb

Definition of switch for English Language Learners

  • : to make a change from one thing to another : to start doing or using something that is different

  • : to make a change from one thing to another by turning or pushing a button or moving a switch, lever, etc.

  • : to change or replace (something) with another thing


SWITCH Defined for Kids

1

switch

play
noun \ˈswich\

Definition of switch for Students

  1. 1 :  a device for making, breaking, or changing the connections in an electrical circuit

  2. 2 :  a change from one thing to another a switch in plans

  3. 3 :  a narrow flexible whip, rod, or twig

  4. 4 :  an act of switching

  5. 5 :  a device for adjusting the rails of a track so that a train or streetcar may be turned from one track to another


2

switch

play
verb

Definition of switch for Students

switched

;

switching

  1. 1 :  to turn, shift, or change by operating a device that makes, breaks, or changes the connections in an electrical circuit Remember to switch off the light.

  2. 2 :  to move quickly from side to side The cow was switching its tail.

  3. 3 :  to make a shift or change He switched to a new barber.

  4. 4 :  to strike with or as if with a whip, rod, or twig



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