Word Origin and History for vomitorium
n.
1754, “passage or opening in an ancient amphitheater, leading to or from the seats,” from Latin (Macrobius, Sat. , VI.iv); see vomit. Erroneous meaning “place where ancient Romans (allegedly) deliberately vomited during feasts” is attested from 1923.
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So Michael and his daughter snuck out of the White House through the vomitorium.
Well maybe, but his is about how most of us feel upon hearing more of this bulky sow every day.