/ Dictionary / Index Q quince: Meaning and Definition of Find definitions for: quince Pronunciation: (kwins), [key] either of two small trees, Cydonia oblonga or C. sinensis, of the rose family, bearing hard, fragrant, yellowish fruit used chiefly for making jelly or preserves. the fruit of such a tree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: quince (Thesaurus) quinazoline quincentenary Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language