ETYM Latin emeticus, Greek, from emein to vomit, akin to Latin vomere: cf. French émétique. Related to Vomit.
Inducing to vomit; exciting the stomach to discharge its contents by the mouth.

A medicine that induces nausea and vomiting; SYN. vomit, vomitive, nauseant.
Any substance administered to induce vomiting. Emetics are used to empty the stomach in many cases of deliberate or accidental drug overdose. The most frequently used is ipecacuanha.