/ Dictionary / Index H holy synod: Meaning and Definition of Find definitions for: ho'ly syn'od Pronunciation: [key] — Eastern Ch. Eastern Ch. the governing council of an autocephalous church, composed of bishops and presided over by the patriarch or another prelate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. holystone holy thistle Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language