variant of (or misprint for) VOMITORY sb.
1651. Wittie, trans. Primroses Pop. Err., 448. Much lesse vomitaries; for of all evacuations a vomit is the most grievous and dangerous. [But p. 338. vomitories.]
1833. Sir C. Napier, Colonies, 3. The innumerable tributary rivers which send their waters through these mighty vomitaries into the ocean.