auditorio

n. auditorium, large room (used for lectures, performances, etc.)

n. front; audience

n. audience, auditorium

= auditorium [auditoriums/auditoria, -pl.], conference hall, auditory theatre.
Ex: Counting the media center (which everyone persists in calling the library), there are 26 classrooms, 2 shops (one for auto repair and one for woodworking), a basement gymnasium, and a flat-floor auditorium.
Ex: The American Library Association's meeting in Chicago was characterised as much by the weather as by the events inside the conference halls.
Ex: Seats in halls, lecture and auditory theatres intended for audiences of special events are excluded.
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* auditorio repleto = packed house.