1. (

• Cimarron ,
• Cimarron_River

) a river that rises in northeastern New Mexico and flows eastward into Oklahoma where it becomes a tributary of the Arkansas River ;

2. (

• bighorn ,
• bighorn_sheep ,
• cimarron ,
• Rocky_Mountain_bighorn ,
• Rocky_Mountain_sheep ,
• Ovis_canadensis

) wild sheep of mountainous regions of western North America having massive curled horns ;