/ Dictionary / Index P pine nut: Meaning and Definition of Find definitions for: pine' nut" Pronunciation: [key] the seed of any of several pine trees, as the piñon, eaten roasted or salted or used in making candy, pastry, etc., after removing the hard seed coat. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pine needle Pinero Related Content Daily Word Quiz: jugular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language