the part of a theatre, or similar building, where the people who are watching and listening sit
People have gathered at the school auditorium to watch the play.
The school's auditorium was filled to capacity with parents and students eagerly awaiting the annual awards ceremony.
The university's newly renovated auditorium boasted state-of-the-art acoustics, making it the ideal venue for music performances and lectures.
The conference took place in a spacious auditorium, accommodating hundreds of attendees, all seated comfortably to listen to the keynote speakers.
