||Lig"num rho"di*um (lĭg"nŭm rō"dĭ*ŭm). [NL., fr. L. lignum wood + Gr. "ro`don a rose.] (Bot.) The fragrant wood of several shrubs and trees, especially of species of Rhodorhiza from the Canary Islands, and of the West Indian Amyris balsamifera.