/ Dictionary / Index A anteroom: Meaning and Definition of Find definitions for: an•te•room Pronunciation: (an'tē-rm", -room"), [key] — n. a room that admits to a larger room. a waiting room. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: anteroom (Thesaurus) antero- anteroparietal Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language