"bighorns" in the noun sense
1. Bighorn, Bighorn River
a river that flows from central Wyoming to the Yellowstone River in southern Montana
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
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License