Merriam-Webster Collegiate Dictionary - bulimia

 noun  Etymology: New Latin, from Greek boulimia great hunger, from bou-, augmentative prefix (from bous head of cattle) + limos hunger — more at cow  Date: 14th century  1. an abnormal and constant craving for food  2. a serious eating disorder that occurs chiefly in females, is characterized by compulsive overeating usually followed by self-induced vomiting or laxative or diuretic abuse, and is often accompanied by guilt and depression — called also ~ nervosa  • bulimic adjective or noun