English

Definition of intercom noun from the Oxford Advanced Learner's Dictionary

 

intercom

 noun
noun
BrE BrE//ˈɪntəkɒm//
 
; NAmE NAmE//ˈɪntərkɑːm//
 
Communication devices, Parts of a plane
 
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a system of communication by telephone or radio inside an office, plane, etc.; the device you press or switch on to start using this system to announce something over the intercom They called him on the intercom. Mr Jack’s arrival was announced over the intercom. See related entries: Communication devices, Parts of a plane Word Origin Second World War: abbreviation of intercommunication.
See the Oxford Advanced American Dictionary entry: intercom