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English definition of “switch”

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switch

noun
 
 
/swɪtʃ/
a complete change of one thing for another: a switch from/to sth The switch to a flat rate of tax could boost spending. Banks are encouraging customers to make the switch from paper to electronic statements.
COMMUNICATIONS, IT a piece of equipment in a network that receives electronic data and sends it to the right place
a small part or object that you move or press to make a light come on, make a machine start working, etc.: press/flick the switch
→  See also bait-and-switch
(Definition of switch noun from the Cambridge Business English Dictionary © Cambridge University Press)
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