poison sumac definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a swamp plant (Rhus vernix) of the cashew family, with greenish-white flowers, hanging clusters of small grayish fruit, and leaves made up of 7 to 13 leaflets: it can cause a severe rash on contact
poison sumac definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- A shrub (Toxicodendron vernix syn. Rhus vernix) typically of swampy habitats in eastern North America, having compound leaves and greenish-white berries and causing an itching rash on contact with the skin.
- A skin rash caused by contact with this plant.
poison sumac - Medical Definition
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.