A sable antelope.
sable antelope definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a large antelope (Hippotragus niger) of South Africa, with long, scimitar-shaped, ringed horns
sable antelope definition by American Heritage Dictionary
A large African antelope (Hippotragus niger) having backward-curving horns and a usually dark coat.