English Explanatory Dictionary

three-way switch

English dictionary entry

Meanings

noun
  1. A type of light switch that can be arranged in pairs to control lights from two locations, as at either end of a stairway or long hallway; a double-throw switch. (British): two-way switch.

Word forms

three-way switch three-way switches

Etymology

Named after its three electrical connections, as opposed to the two connections of a normal light switch.

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