/ Dictionary / Index C chat room: Meaning and Definition of Find definitions for: chat' room" Pronunciation: [key] a branch of a computer system in which participants can engage in live discussions with one another. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chatroom (Thesaurus) chatoyant chat show Related Content Daily Word Quiz: maritime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language