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English definition of “intercom”

intercom

noun [C]     /ˈɪn.tə.kɒm/ US  /-t̬ɚ.kɑːm/
a device that people speak into when they want to communicate with someone who is inside a building, in a different room, in part of a plane, etc.Faxes, pagers, and text messages
(Definition of intercom noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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