/ Dictionary / Index G grapestone: Meaning and Definition of Find definitions for: grape•stone Pronunciation: (grāp'stōn"), [key] — n. the seed of a grape. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grape stake grape sugar 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