| 释义 | 
		lead tree \ˈled-\ noun 1.  : lead crystallized in arborescent forms from a solution of some lead salt (as by suspending a strip of zinc in lead acetate) 2.  : a plant of the genus Leucaena; especially  : a low scrubby tree (Leucaena glauca) prob. native to tropical America but now pantropical in distribution and often cultivated as a ground cover, for windrows or hedging, and as forage for cattle and sheep though reputedly toxic to horses and swine |