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1

switch

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noun \ˈswich\

Simple Definition of switch

  • : 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

Full Definition of switch

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

  2. 2 :  an act of switching: 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 (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

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

  2. He threw the switch to stop the machine.



Origin of switch

perhaps from Middle Dutch swijch twig


First Known Use: 1592


2

switch

verb

Simple Definition of switch

  • : 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

Full Definition of switch

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

    2. 2 :  whisk, lash <a cat switching its tail>

    3. 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>

    4. 4a :  to shift to another electrical circuit by means of a switchb (1) :  to operate an electrical switch so as to turn (as 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>

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

    7. 2 :  to make a shift or exchange

    switch·able play \ˈswi-chə-bəl\ adjective
    switch·er noun

    Examples of switch

    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?



    Circa 1611

    First Known Use of switch

    circa 1611




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