/ Dictionary / Index R riverboat: Meaning and Definition of Find definitions for: riv•er•boat Pronunciation: (riv'ur-bōt"), [key] — n. any shallow-draft boat used on rivers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. river blindness river carpsucker Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language