Meanings
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1
noun
architecture: a passage or entrance through or behind tiers of seats in a theater, amphitheater, or stadium, designed to let crowds enter or leave rapidly
Spectators poured through the eastern vomitorium after the performance.
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2
noun
nonstandard or humorous: a place intended for vomiting, based on the mistaken belief that ancient Romans used special rooms to empty their stomachs during feasts
The restaurant jokingly labeled the tiled washroom its vomitorium.
Thesaurus
Etymology
Borrowed from Late Latin vomitorium, from Latin vomere, 'to spew forth.' The architectural passage was so named because it discharged crowds rapidly from a venue. It did not historically mean a Roman banquet room for deliberate vomiting; that familiar sense arose later through misunderstanding and humorous reuse.