Breadcrumb Home > Dictionary > Index P pignon: Meaning and Definition of Find definitions for: pi•gnon Pronunciation: (pēn'yon), [key] — n. the edible seed of the cones of certain pines, as the nut pine, Pinus pinea, of southern Europe. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pignolia pignus ✖ Related Content Daily Word Quiz: glissade Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language