Final Answer:
A vomitorium was a passage situated below or behind a tier of seats in an amphitheatre or a stadium, through which big crowds could exit rapidly at the end of an event. They were also used as pathways for actors to enter and leave the stage. The Latin word vomitorium, plural vomitoria, derives from the verb vomÅ, vomere, "to spew forth". so, the correct answer is 2) A room in ancient Roman amphitheaters used for rapid exit of large crowds.
Step-by-step explanation:
A Downstage Entrance to a Thrust Theater: This is incorrect. A vomitorium is not an entrance but a specific space within an amphitheater.
A Room in Ancient Roman Amphitheaters: This is correct. A vomitorium in ancient Roman amphitheaters was a passage or corridor through which large crowds could quickly exit the venue.
A Type of Seating Arrangement in a Theater: This is not the accurate definition of a vomitorium. It refers to an exit space rather than a seating arrangement.
A Term Used to Describe the Feeling of Nausea: This is not the correct definition in the context of architecture. The term vomitorium in this context is related to crowd movement rather than a physical sensation.
so, the correct answer is 2) A room in ancient Roman amphitheaters used for rapid exit of large crowds.