/ Dictionary / Index G Gregory XVI: Meaning and Definition of Find definitions for: Gregory XVI Pronunciation: [key] (Bartolommeo Alberto Cappellari) 1765–1846, Italian ecclesiastic: pope 1831–46. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gregory XV Gregory of Nyssa Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language