big·horn sheep 
(bĭghôrn′)
(bĭghôrn′)n. pl. bighorn sheep
A wild sheep (Ovis canadensis) of the mountains of western North America, having a brownish coat and, in the male, massive curved horns. Also called bighorn, mountain sheep, Rocky Mountain sheep.
bighorn sheepmale bighorn sheep
Ovis canadensis
- sureness
- sure thing
- surety
- surety bond
- suretyship
- surf
- surface
- surface-active
- surface dive
- surface diver
- surface diving
- surface-effect ship
- surface mail
- surface of revolution
- surface plate
- surface structure
- surface tension
- surface-to-air missile
- surface-to-surface missile
- surface wave
- surfactant
- surf and turf
- surfbird
- surfboard
- surfboarder