/ Dictionary / Index P pine needle: Meaning and Definition of Find definitions for: pine' nee"dle Pronunciation: [key] the needlelike leaf of a pine tree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pinene pine nut 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