Auditorium
Pronunciation : Au`di*to"ri*um
Part of Speech : n.
Etymology : [L. See Auditory, n.]
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913