Lewis & Short

vŏmĭtōrĭus, a, um, adj. [vomo], that provokes vomiting, vomitive, vomitory, emetic.

  1. I. Adj.: bulbus, Plin. 20, 9, 41, § 107; 21, 19, 75, § 128.
  2. II. Transf., subst.: vŏmĭ-tōrĭa, ōrum, n., the entrances to the theatres or amphitheatres, vomitories (which led to the places where the people sat), Macr. S. 6, 4.