Urus n. (Zool.) A very large, powerful, and savage extinct bovine animal (Bos urus or Bos primigenius) anciently abundant in Europe. It appears to have still existed in the time of Julius Caesar. It had very large horns, and was hardly capable of domestication. Called also, ur, ure, and tur.
... were seized by the Urus Sugay, a clan of the Habr Gerhajis. The poor wretches pretended to show fight, and asked if they were considered a nation of women, that their country was to be entered without permission. Next morning they volunteered ... — First footsteps in East Africa • Richard F. Burton