or musk ox
noun, plural musk·ox·en [muhsk-ok-suh n] /ˈmʌskˌɒk sən/.
Examples from the Web for muskox
He never gets frostbitten toes 'though in snow and ice he plays; Now being a Muskox can't be bad in the long, cold winter days!Animal Children|Edith Brown Kirkwood
Allong this trip so near the sea we saw hundreds of seals, and walrus and killed a Muskox the most rare animal in the world.Black Beaver|James Campbell Lewis