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switchboard

[swich-bawrd, -bohrd] /ˈswɪtʃˌbɔrd, -ˌboʊrd/
noun, Electricity
1.
a structural unit on which are mounted switches and instruments necessary to complete telephone circuits manually.
2.
Also called lightboard. a panel of switches, dimmers, etc., for controlling the lighting on a stage or in an auditorium.
Origin
1870-1875
1870-75, Americanism; switch + board
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for switch board

switchboard

/ˈswɪtʃˌbɔːd/
noun
1.
an installation in a telephone exchange, office, hotel, etc, at which the interconnection of telephone lines is manually controlled
2.
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
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Word Origin and History for switch board

switchboard

n.

1873, from switch (n.) + board (n.1).

Online Etymology Dictionary, © 2010 Douglas Harper
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14
14
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