Entry 3 senses · 2 variants Webster, 1913 Vomitory · Vom·i·to·ry · IPA a. n. 01 a. Causing vomiting; emetic; vomitive. 1. Causing vomiting; emetic; vomitive. 02 n. An emetic; a vomit. pl. Vomitories 1. An emetic; a vomit. 2. A principal door of a large ancient building, as of an amphitheater.(Arch.) “Sixty-four vomitories . . . poured forth the immense multitude.” — Gibbon.