/ Dictionary / Index C call-in: Meaning and Definition of Find definitions for: call-in Pronunciation: (kôl'in"), [key] — Radio and Television. Radio and Television. —n. a program in which listeners or viewers phone in comments or questions to the host or a person being interviewed. a live telephone conversation intended for broadcasting between a program's host and a person being interviewed. —adj. of, pertaining to, or featuring such phone calls or conversations: a call-in program. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: call-in (Thesaurus) Callimachus calling Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language