intercom

[ in-ter-kom ]
/ ˈɪn tərˌkɒm /

noun Informal.

an intercommunication system.
a microphone or receiver of an intercommunication system.

Origin of intercom

First recorded in 1935–40; by shortening
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for intercom

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