/ Dictionary / Index L lily of the valley: Meaning and Definition of Find definitions for: lil'y of the val'ley Pronunciation: [key] — pl. lilies of the valley. a plant, Convallaria majalis, having an elongated cluster of small, drooping, bell-shaped, fragrant white flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lily-of-the-Nile lily pad Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language