switchboard has definitions from the fields of telecommunications,work
1
[ noun ] (telecommunications,work) telephone central where circuits are completed with patchcords

Used in print

(Edwin L. Bigelow and Nancy H. Otis,...)

A small single switchboard was installed in the Village over Woodcock 's hardware_store ( later E._H._Hemenway 's ) .

Related terms

central telephone_system

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