A large cervine mammal (Alces alces syn. Alces machlis, syn Alces Americanus), native of the Northern United States and Canada. The adult male is about as large as a horse, and has very large, palmate antlers. It closely resembles the European elk, and by many Zoologists is considered the same species. See Elk. (Zool.)
A member of the Progressive Party; a Bull Moose. [Obsolescent. Cant, from the early 1900's.]
A member of the fraternal organization named Loyal Order of Moose. [capitalized]