vŏmĭtĭo, ōnis, f. [vomo], a spewing, vomiting.
I Lit., Cic. N. D. 2, 50, 126; Plin. 11, 53, 117, § 282; 21, 20, 83, § 144; 22, 25, 64, § 132; 26, 7, 25, § 41 al.—Collat. form vŏmĭtĭum , Mart. Cap. 2, § 136.—
II Transf., concr., that which is vomited , a vomit : varii colores vomitionum, Plin. 25, 5, 23, § 57.