/ Dictionary / Index G Gregory XIV: Meaning and Definition of Find definitions for: Gregory XIV Pronunciation: [key] (Niccolò Sfandrati) 1535–91, Italian ecclesiastic: pope 1590–91. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gregory XIII Gregory XV 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