Glut·ton n.
1. One who eats voraciously, or to excess; a gormandizer.
2. Fig.: One who gluts himself.
Gluttons in murder, wanton to destroy. --Granville.
3. Zool. A carnivorous mammal (Gulo gulo formerly Gulo luscus), of the weasel family Mustelidæ, about the size of a large badger; called also wolverine, wolverene and carcajou. It was formerly believed to be inordinately voracious, whence the name. It is a native of the northern parts of America, Europe, and Asia.
Glutton bird Zool., the giant fulmar (Ossifraga gigantea); -- called also Mother Carey's goose, and mollymawk.