/ Dictionary / Index R Russo-Japanese War: Meaning and Definition of Find definitions for: Rus'so-Jap'an•ese War' Pronunciation: (rus'ō-jap'u-nēz", -nēs"), [key] the war (1904–1905) between Russia and Japan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Russo- Russophile Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language