/ Dictionary / Index U urus: Meaning and Definition of Find definitions for: u•rus Pronunciation: (yoor'us), [key] — pl. u•rus•es. the aurochs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: urus (Thesaurus) Urundi urushiol Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language