| bighorn |
| bighorn | (n) a river that flows from central Wyoming to the Yellowstone River in southern Montana, Syn. Bighorn River |
| bighorn | (n) wild sheep of mountainous regions of western North America having massive curled horns, Syn. Ovis canadensis, bighorn sheep, Rocky Mountain bighorn, cimarron, Rocky Mountain sheep |
| Bighorn | n. (Zool.) The Rocky Mountain sheep (Ovis montana |