Pronghorn \Prong"horn`\, n. (Zo["o]l.)
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}.