/ Dictionary / Index A auditorium: Meaning and Definition of Find definitions for: au•di•to•ri•um Pronunciation: (ô"di-tôr'ē-um, -tōr'-), [key] — pl. -to•ri•ums, -to•ri•a the space set apart for the audience in a theater, school, or other public building. a building for public gatherings; hall. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: auditorium (Thesaurus) auditor auditory Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language