POISON n.
the Malabar and Coromandel coasts. -- Poison oak (Bot.), the poison ivy; also, the more shrubby Rhus diversiloba of California and Oregon. Poison sac. (Zoöl.) Same as Poison gland, above. See Illust. under Fang. -- Poison sumac (Bot.), a poisonous shrub of the genus Rhus (R. venenata); -- also called poison ash, poi…