Breadcrumb Home > Dictionary > Index P Petrine: Meaning and Definition of Find definitions for: Pe•trine Pronunciation: (pē'trīn, -trin), [key] — adj. of or pertaining to the apostle Peter or the Epistles bearing his name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Petrillo Petrinism ✖ Related Content Daily Word Quiz: deracinate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language