Source : Webster's Revised Unabridged Dictionary (1913)

Vomitive \Vom"i*tive\, a. [Cf. F. vomitif.]
   Causing the ejection of matter from the stomach; emetic.

Source : WordNet®

vomitive
     n : a medicine that induces nausea and vomiting [syn: {emetic},
         {vomit}, {nauseant}]