poison ivy

poison ivy definition - medical

poison ivy

noun
A North American shrub or vine that has compound leaves with three leaflets, small green flowers, and whitish berries and that causes a rash on contact. Also called poison oak.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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