/ Dictionary / Index J Japanese chestnut: Meaning and Definition of Find definitions for: Jap'anese chest'nut. Pronunciation: [key] See under(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Japanese cedar Japanese Chin Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language