Cathartic :: Cathartic (n.) A medicine that promotes alvine discharges; a purge; a purgative of moderate activity.
Cathartin :: Cathartin (n.) The bitter, purgative principle of senna. It is a glucoside with the properties of a weak acid; -- called also cathartic acid, and cathartina..
Cato-cathartic :: Cato-cathartic (n.) A remedy that purges by alvine discharges.
Emeto-cathartic :: Emeto-cathartic (a.) Producing vomiting and purging at the same time.