Poi'son-sū'mac, n.
(-shū'māk), n. (Bot.) A poisonous shrub of the genus Rhus (R. venenata);—sometimes improperly called poison-elder. [Written also poison-sumach.] Gray.
(-shū'māk), n. (Bot.) A poisonous shrub of the genus Rhus (R. venenata);—sometimes improperly called poison-elder. [Written also poison-sumach.] Gray.