au·rochs \ˈau̇ˌräks, ˈȯˌr-\noun alsoau·roch\-äk\ (pluralaurochsalsoaurochses) Etymology: German (now usually auerochs), from Old High German ūrohso, from ūro aurochs + ohso head of cattle, ox; akin to Old English ūr aurochs, Old Norse ūrr, Gothic uraz, a runic name, and probably to Old Norse ūr drizzle — more at urine, ox 1.: urus 2.: wisent