/ Dictionary / Index R Rappahannock: Meaning and Definition of Find definitions for: Rap•pa•han•nock Pronunciation: (rap"u-han'uk), [key] — n. a river flowing SE from N Virginia into the Chesapeake Bay: Civil War battle 1863. 185 mi. (300 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rappahannock (Thesaurus) Rapp rapparee Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language