/ Dictionary / Index R rial: Meaning and Definition of Find definitions for: ri•al Pronunciation: (rē-ôl', -äl'), [key] — n. a silver or cupronickel coin and monetary unit of Iran, equal to 100 dinars. ri•al Pronunciation: (rī'ul), [key] — n. ryal. ri•al Pronunciation: (rē-ôl', -äl'), [key] — n. riyal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rial (Thesaurus) ria rial omani Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language