Webster’s Revised Unabridged Dictionary · 1913
Vomitory
Vom′i·to·ry, a. [L. vomitorious.] Causing vomiting; emetic; vomitive.
Vom′i·to·ry, n.; pl. Vomitories. 1. An emetic; a vomit. Harvey.
2. [L. vomitorium.] (Arch.) A principal door of a large ancient building, as of an amphitheater.
Sixty-four vomitories . . . poured forth the immense multitude. Gibbon.