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intercom

[ in-ter-kom ]
/ ˈɪn tərˌkɒm /
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noun
a communication system within a building, ship, airplane, local area, etc., with a loudspeaker or receiver for listening and a microphone for speaking at each of two or more points.
a microphone or receiver of such a communication system.
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Origin of intercom

First recorded in 1935–40; by shortening
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use intercom in a sentence

British Dictionary definitions for intercom

intercom
/ (ˈɪntəˌkɒm) /

noun
informal an internal telephone system for communicating within a building, an aircraft, etc

Word Origin for intercom

C20: short for intercommunication
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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