/ Dictionary / Index R royal lily: Meaning and Definition of Find definitions for: roy'al lil'y Pronunciation: [key] a lily, Lilium regale, of western China, having fragrant flowers about six in. (15 cm) wide that are white inside, lilac-colored or purplish outside, and have a yellow base. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Royall royal marriage Related Content Daily Word Quiz: rarefied Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language