ˌȯdəˈtōrēəm, -ȯr- noun
( plural auditoriums -ēəmz ; also audito·ria -ēə)
Etymology: Latin, from auditus (past participle of audire to hear) + -orium
1. : the part of a usually public building (as a theater) assigned to the audience : a place of assemblage of spectators and listeners
2. : a room, hall, or entire building specially designed for stage and film presentations, concerts, recitals, lectures, and audio-visual features and activities
a magnificent civic auditorium
a school auditorium