auditorium
noun
[ ɔːdɪˈtɔːrɪəm ]
• the part of a theatre, concert hall, or other public building in which the audience sits.
• "the stage was small and the auditorium had only 366 seats"
• a large building or hall used for public gatherings, typically speeches or stage performances.
• "the National Indoor Arena is a magnificent auditorium and one of Britain's premier indoor venues"
Origin:
early 17th century (originally in the general sense ‘a place for hearing’): from Latin, neuter of auditorius ‘relating to hearing’ (see auditory).
