/ Dictionary / Index V Vaticanism: Meaning and Definition of Find definitions for: Vat•i•can•ism Pronunciation: (vat'i-ku-niz"um), [key] — n. Usually Disparaging. the doctrine of the absolute supremacy of the pope. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Vatican Council Vatican Swindle, The* Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language