urus Meaning, Definition & Usage

  1. noun large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle
    aurochs; Bos primigenius.

WordNet

U"rus noun
Etymology
L.; of Teutonic origin. See Aurochs.
Definitions
  1. (Zoöl.) A very large, powerful, and savage extinct bovine animal (Bos urus ∨ primigenius) anciently abundant in Europe. It appears to have still existed in the time of Julius Cæsar. It had very large horns, and was hardly capable of domestication. Called also, ur, ure, and tur.

Webster 1913