/ Dictionary / Index J Japanese river fever: Meaning and Definition of Find definitions for: Jap'anese riv'er fe"ver. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Japanese quince Japanese silk Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language