poison sumac

noun

Definition of poison sumac 

: a swamp shrub (Toxicodendron vernix synonym Rhus vernix) chiefly of the eastern U.S. and Canada that has pinnate leaves, greenish flowers, and greenish white berries and produces an irritating oil

called also poison dogwood

First Known Use of poison sumac

1737, in the meaning defined above

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The first known use of poison sumac was in 1737

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More Definitions for poison sumac

poison sumac

noun

English Language Learners Definition of poison sumac

: a common bush in the eastern U.S. and Canada that causes a very itchy and painful rash on your skin if you touch it

poison sumac

noun

Kids Definition of poison sumac

: a shrub or small tree related to poison ivy that can cause an itchy painful rash when touched

poison sumac

noun
poison su·​mac | \-ˈs(h)ü-ˌmak \

Medical Definition of poison sumac 

: an American swamp shrub of the genus Rhus (R. vernix synonym Toxicodendron vernix) that has smooth pinnate leaves, greenish flowers, and greenish white berries and produces an irritating oil

called also poison dogwood

More from Merriam-Webster on poison sumac

Britannica.com: Encyclopedia article about poison sumac

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