/ Dictionary / Index D deuterocanonical books: Meaning and Definition of Find definitions for: deu'ter•o•ca•non'ical books' Pronunciation: (d'tu-rō-ku-non'i-kul, dy'-, d"-, dy"-), [key] the books of the Bible regarded by the Roman Catholic Church as canonical but not universally acknowledged as such in the early church, including, in the Old Testament, most of the Protestant Apocrypha. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deutero- deuterogamy Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language