poison sumac

noun

a shrub or small tree, Rhus vernix (or Toxicodendron vernix), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it.

Words nearby poison sumac

poison haw, poison hemlock, poison ivy, poison oak, poison pill, poison sumac, poison sumach, poison-arrow frog, poison-pen, poison-pen letter, poisoning

Origin of poison sumac

First recorded in 1810–20

Also called poison dogwood.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for poison sumac

poison sumac

n.

A swamp shrub of the southeast United States, having compound leaves and greenish-white berries and causing an itching rash on contact with the skin.