/ Dictionary / Index R riven: Meaning and Definition of Find definitions for: riv•en Pronunciation: (riv'un), [key] — v. a pp. of —adj. rent or split apart. split radially, as a log. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: riven (Thesaurus) rivel river Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language