/ Dictionary / Index I interphone: Meaning and Definition of Find definitions for: in•ter•phone Pronunciation: (in'tur-fōn"), [key] — n. an intercommunication system using telephones to connect offices, stations, etc., as in a building or ship; intercom. a telephone used in such a system. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: interphone (Thesaurus) interphase interplanetary Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language