/ Dictionary / Index R Riobamba: Meaning and Definition of Find definitions for: Ri•o•bam•ba Pronunciation: (rē"ō-bäm'bu Sp. rē"ô-väm'bä), [key] — n. a city in central Ecuador in the Andes, near the Chimborazo volcano. 58,087. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Río Azul Rio Branco 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