/ Dictionary / Index R river carpsucker: Meaning and Definition of Find definitions for: riv'er carp'sucker Pronunciation: [key] a carpsucker, Carpiodes carpio, found in silty rivers of the central U.S. south to Mexico. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. riverboat Riverdale Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language