auditorium Meaning, Definition & Usage

  1. noun the area of a theater or concert hall where the audience sits

WordNet

Au`di*to"ri*um noun
Etymology
L. See Auditory, n.
Definitions
  1. The part of a church, theater, or other public building, assigned to the audience. ✍ 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.

Webster 1913