/ Dictionary / Index P pinyon: Meaning and Definition of Find definitions for: pin•yon Pronunciation: (pin'yun, pēn'yōn, pēn-yōn'), [key] — n. piñon (def. 1). Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pinyon (Thesaurus) pinyin pinyon jay Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language