poison sumac Hear it!

poison sumac definition

☆ poison sumac

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

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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