Roman Antiq. Pl. vomitoria (also 8 -iums, erron. -iæ). [Neuter sing. of L. vomitōrius (cf. next); recorded only in pl. (Macrobius, Sat., VI. iv.).] A passage or opening in an ancient amphitheater or theater, leading to or from the seats. Usu. pl.
1754. Dict. Arts & Sci., I. 129/2. They were entered by avenues, at the end of which were gates, called vomitoriæ.
1766. Smollett, Trav., II. 228. The remains of two galleries one over another; and two vomitoria or great gateways at opposite sides of the arena.
1837. Antiq. Athens, 48. Those numerous corridors and vomitoria which gave such free access to all parts of a Roman theatre.