/ Dictionary / Index R river blindness: Meaning and Definition of Find definitions for: riv'er blind"ness Pronunciation: [key] — Pathol. Pathol. onchocerciasis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. river birch riverboat Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language