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plugboard

[pluhg-bawrd, -bohrd]
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noun
  1. Electricity. an electric switchboard with plugs for telephones and the like.
  2. Also called control panel. Computers. a removable panel containing manually wired electrical terminals into which plugs or pins are inserted: formerly used to control operation of peripheral equipment, as a keyboard.

Origin of plugboard

First recorded in 1885–90; plug + board
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for plugboard

plugboard

noun
  1. another name for patch board
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