/ Dictionary / Index T treen: Meaning and Definition of Find definitions for: tre•en Pronunciation: (trē'un), [key] — adj. made entirely of wood. —n. treenware. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tree lupine treenail Related Content Daily Word Quiz: bungled Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language