“-way switch”

The following 3 entries include the term -way switch.

four-way switch

noun

: an electric switch used in house wiring so that a light may be turned on or off at three or more places

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three-way switch

noun

: an electric switch having three terminals used to control a circuit from two different points

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two-way switch

noun

: one of two electrical switches (as at the top and bottom of a stair) controlling a single outlet

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