an opening through which something is ejected or discharged. Also called vomitorium. an opening, as in a stadium or theater, permitting large numbers of people to enter or leave.

What does a vomitory mean?

: an entrance piercing the banks of seats of a theater, amphitheater, or stadium.

Where does the word vomitory come from?

The word 'vomitory' is derived from 'vomitorium' which refers to a passage found beneath the seating through which an audience can exit at the end of an event. This originates from Roman times, when amphitheatres had vomitorium to allow the audience to leave.