/ Dictionary / Index E episcopalism: Meaning and Definition of Find definitions for: e•pis•co•pal•ism Pronunciation: (i-pis'ku-pu-liz"um), [key] — n. the theory of church polity according to which the supreme ecclesiastical authority is vested in the episcopal order as a whole, and not in any individual except by delegation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Episcopalian Episcopal vicar Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language