/ Dictionary / Index R Republican River: Meaning and Definition of Find definitions for: Repub'lican Riv'er Pronunciation: [key] a river flowing E from E Colorado through Nebraska and Kansas into the Kansas River. 422 mi. (680 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Republican party republication Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language