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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A switch used to control the flow of electricity in a circuit, consisting of a hinge which allows a metal lever, or knife, to be lifted from or inserted into a slot or jaw.

from the GNU version of the Collaborative International Dictionary of English

  • A switch consisting of one or more knifelike pieces hinged at one end and making contact near the other with flat gripping springs.


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