intercom


in·ter·com

noun \ˈin-tər-ˌkäm\

: a system which allows a person speaking into a microphone to be heard on a speaker by people in a different room or area

Full Definition of INTERCOM

:  a two-way communication system with a microphone and loudspeaker at each station for localized use

Examples of INTERCOM

  1. I heard my name called on the intercom.
  2. His secretary's voice came over the intercom, telling him that he had a visitor.

Origin of INTERCOM

short for intercommunication system
First Known Use: 1940

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