pronghorned antelope

from The Collaborative International Dictionary of English v.0.48

Pronghorn \Prong"horn`\, n. (Zool.)
   An American antelope ({Antilocapra Americana}), native of the
   plain near the Rocky Mountains. The upper parts are mostly
   yellowish brown; the under parts, the sides of the head and
   throat, and the buttocks, are white. The horny sheath of the
   horns is shed annually. Called also {cabr['e]e}, {cabut},
   {prongbuck}, and {pronghorned antelope}.
   [1913 Webster]