/ Dictionary / Index W white sapphire: Meaning and Definition of Find definitions for: white' sap'phire Pronunciation: [key] — Mineral. Mineral. a colorless variety of corundum, used as a gemstone. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. white sapote white sauce Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language