禮堂,會議廳,聽眾
Auditorium \Au`di*to"ri*um\, n. [L. See {Auditory}, n.] The part of a church, theater, or other public building, assigned to the audience. Note: In ancient churches the auditorium was the nave, where hearers stood to be instructed; in monasteries it was an apartment for the reception of strangers.
auditorium n : the area of a theater or concert hall where the audience sits [also: {auditoria} (pl)]