auditorium

noun

Etymology: Borrowed from Latin audītōrium, from audītōrius (“pertaining to hearing”). Equivalent to auditory + -ium.

1. A large room for public meetings or performances.
2. The space where the audience is located in a theater, etc.

   “The Academy of Music is 204 feet in length and 114 feet in width at the auditorium part, and and 121 feet at the stage; hence covering an area of 24,020 square feet, of which 9,760 square feet are the area of the stage and its dependencies, and 14,260 square feet are appropriated to the auditorium, saloons, lobbies and so forth.”