/ Dictionary / Index P postcanonical: Meaning and Definition of Find definitions for: post•ca•non•i•cal Pronunciation: (pōst"ku-non'i-kul), [key] — adj. written at a later date than the books belonging to a canon, esp. the Bible. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. postboy postcard Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language