switchboard

[ swich-bawrd, -bohrd ]
/ ˈswɪtʃˌbɔrd, -ˌboʊrd /

noun Electricity.

a structural unit on which are mounted switches and instruments necessary to complete telephone circuits manually.
Also called lightboard. a panel of switches, dimmers, etc., for controlling the lighting on a stage or in an auditorium.

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Origin of switchboard

An Americanism dating back to 1870–75; switch + board
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for switchboard

British Dictionary definitions for switchboard

switchboard
/ (ˈswɪtʃˌbɔːd) /

noun

an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
an assembly of switchgear for the control of power supplies in an installation or building
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012