- informal an internal telephone system for communicating within a building, an aircraft, etc
WordReference Random House Learner's Dictionary of American English © 2026
in•ter•com /ˈɪntɚˌkɑm/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Telecommunications, Informal Termsa communication system within a building, etc., with a receiver for listening and a microphone for speaking at two or more points.
in•ter•com
(in′tər kom′),USA pronunciation n. [Informal.]
- Telecommunications, Informal Termsan intercommunication system.
- Informal Terms, Telecommunicationsa microphone or receiver of an intercommunication system.
- by shortening 1935–40
Collins Concise English Dictionary © HarperCollins Publishers::
intercom /ˈɪntəˌkɒm/ n
'intercom' also found in these entries (note: many are not synonyms or translations):