intercom

noun in·ter·com \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

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short for intercommunication system

First Known Use: 1940

INTERCOM Defined for Kids

noun in·ter·com \ˈin-tər-ˌkäm\

: a communication system with a microphone and loudspeaker at each end

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