/ Dictionary / Index P prelatism: Meaning and Definition of Find definitions for: prel•a•tism Pronunciation: (prel'u-tiz"um), [key] — n. prelacy; episcopacy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. prelate nullius prelature Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language