/ Dictionary / Index P poisonwood: Meaning and Definition of Find definitions for: poi•son•wood Pronunciation: (poi'zun-wood"), [key] — n. a tree, Metopium toxiferum, of southern Florida, that has compound leaves and yellowish, berrylike fruits and is poisonous to touch. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. poison sumac Poisson distribution 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