WordNet (r) 3.0 (2006):
Cimarron n 1: a river that rises in northeastern New Mexico and flows eastward into Oklahoma where it becomes a tributary of the Arkansas River [syn: Cimarron, Cimarron River] 2: wild sheep of mountainous regions of western North America having massive curled horns [syn: bighorn, bighorn sheep, cimarron, Rocky Mountain bighorn, Rocky Mountain sheep, Ovis canadensis]