/ Dictionary / Index E Ecclesiasticus: Meaning and Definition of Find definitions for: Ec•cle•si•as•ti•cus Pronunciation: (i-klē"zē-as'ti-kus), [key] — n. a book of the Apocrypha. Also calledAbbr.: Ecclus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ecclesiasticus (Thesaurus) ecclesiasticism ecclesiolatry Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language