/ Dictionary / Index R Río Azul: Meaning and Definition of Find definitions for: Rí•o A•zul Pronunciation: (rē'ō u-zl' Sp. rē'ô ä-sl'), [key] an archaeological site in the jungles of northern Guatemala, where a 1500-year-old painted Mayan tomb was discovered intact in 1984. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rinsing Riobamba Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language