Definition of podophyllum

• n. - A genus of herbs of the Barberry family, having large palmately lobed peltate leaves and solitary flower. There are two species, the American Podohyllum peltatum, or May apple, the Himalayan P. Emodi.
• n. - The rhizome and rootlet of the May apple (Podophyllum peltatum), -- used as a cathartic drug.