/ Dictionary / Index L lead tree: Meaning and Definition of Find definitions for: lead' tree" Pronunciation: (led), [key] any of several tropical trees or shrubs belonging to the genus Leucaena, of the legume family, esp. L. glauca, having pinnate leaves and white flowers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lead track lead-up Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language