/ Dictionary / Index P Pontifical Mass: Meaning and Definition of Find definitions for: Pontif'ical Mass' Pronunciation: [key] (sometimes l.c.)a High Mass celebrated by a bishop or other prelate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pontifical College pontificate Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language