/ Dictionary / Index P planer tree: Meaning and Definition of Find definitions for: pla'ner tree" Pronunciation: (plā'nur), [key] a small tree, Planera aquatica, of the elm family, growing in moist ground in the southern U.S., bearing a small, ovoid, nutlike fruit and yielding a compact light-brown wood. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. planer saw plane sailing Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language