Claim: A Roman vomitorium was a stadium exit passage not a room for vomiting

The claim that a Roman vomitorium was a stadium exit passage is true. Mainstream sources, including Wikipedia and Mental Floss, support this definition, clarifying that vomitoria were architectural features designed for crowd exit. The misconception of vomitoria as rooms for vomiting is widely disputed, primarily due to modern interpretations that misrepresent historical facts. This misunderstanding has persisted in popular culture despite clear evidence to the contrary. The models diverge sharply — treat this as higher-uncertainty. Perplexity comes in highest (97%), while Gemini is lowest (50%). OpenAI expresses higher confidence than Gemini on this claim. There are no significant opposing claims in the provided evidence pack. All sources consistently affirm that the term 'vomitorium' refers to exit passages in Roman theaters and stadiums, not rooms for vomiting. The absence of contradicting evidence strengthens the reliability of the claim. However, the potential for alternative interpretations in non-scholarly contexts could introduce some uncertainty, but this does not affect the overall verdict based on the evidence provided.