from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A passage located behind a tier of seats in an amphitheatre used as an exit for the crowds
- n. An area in which vomiting takes place, in particular a chamber supposedly used by ancient Romans to vomit during a feast so they could continue eating.
From Latin vomitōrium ("entrance to an amphitheatre"), substantive of vomitōrius ("emetic", "provoking vomiting"), from vomō ("vomit"). (Wiktionary)