| 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 |
| little bighorn | (n) a river that flows from northern Wyoming into the Bighorn River in southern Montana; site of Custer's Last Stand, Syn. Little Horn, Little Bighorn River |
| little bighorn | (n) a battle in Montana near the Little Bighorn River between United States cavalry under Custer and several groups of Native Americans (1876); Custer was pursuing Sioux led by Sitting Bull; Custer underestimated the size of the Sioux forces (which were supported by Cheyenne warriors) and was killed along with all his command, Syn. Custer's Last Stand, Battle of Little Bighorn, Battle of the Little Bighorn |
