/ Dictionary / Index U urena: Meaning and Definition of Find definitions for: u•re•na Pronunciation: (yoo-rē'nu), [key] — n. any tropical plant or shrub belonging to the genus Urena, of the mallow family, having clusters of small, yellow flowers, esp. U. lobata, which yields a useful bast fiber. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. uremic -uret Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language