/ Dictionary / Index J Japanese quince: Meaning and Definition of Find definitions for: Jap'anese quince' Pronunciation: [key] a flowering quince, Chaenomeles speciosa, of Japan, having scarlet flowers and pear-shaped fruit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Japanese quail Japanese river fever Related Content Daily Word Quiz: boorish Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language