The Collaborative International Dictionary
Melanagogue
Melanagogue \Me*lan"a*gogue\, n. [Gr. me`las, me`lanos, black + ? leading, driving, ? to lead.] (Med.) A medicine supposed to expel black bile or choler. [Obs.]
Wiktionary
melanagogue
n. (context medicine obsolete English) A medicine supposed to expel black bile or choler.