/ Dictionary / Index G grape hyacinth: Meaning and Definition of Find definitions for: grape' hy"acinth Pronunciation: [key] any plant belonging to the genus Muscari, of the lily family, as M. botryoides, having globular, blue flowers resembling tiny grapes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grapefruit league grape ivy Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language