interphone
/ˈɪntərˌfoʊn/
noun
- A communication system that allows people in different parts of a building, vehicle, or area to talk to each other.
- The pilot spoke to the passengers through the interphone from the cockpit.
- I pressed the interphone button to ask the front desk for more towels.
- The office uses an interphone to page employees in different departments.
Synonyms