- a large wild sheep, Ovis canadensis, inhabiting mountainous regions in North America and NE Asia: family Bovidae, order Artiodactyla. The male has massive curved horns, and the species is well adapted for climbing and leaping
WordReference Random House Unabridged Dictionary of American English © 2026
big•horn
(big′hôrn′),USA pronunciation n., pl. -horns, (esp. collectively) -horn.
Big•horn (big′hôrn′),USA pronunciation n.
- Mammalsa wild sheep, Ovis canadensis, of the Rocky Mountains, with large, curving horns. Also called cimarron, Rocky Mountain bighorn, Rocky Mountain sheep.
- big1 + horn 1775–85, American.
Big•horn (big′hôrn′),USA pronunciation n.
- Place Namesa river flowing from central Wyoming to the Yellowstone River in S Montana. 336 mi. (540 km) long.
Collins Concise English Dictionary © HarperCollins Publishers::
bighorn /ˈbɪɡˌhɔːn/ n ( pl -horns, -horn)
'bighorn' also found in these entries (note: many are not synonyms or translations):