from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A North American shrub or vine (Toxicodendron radicans) that has compound leaves with three leaflets, small green flowers, and whitish berries and that causes a rash on contact.
  • noun A skin rash caused by contact with this plant.

from The Century Dictionary.

  • noun A shrub-vine of North America, Rhus Toxicodendron, sometimes low and erect, but commonly a climber on trees, rocks, fences, etc.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A woody vine plant in the family Anacardiaceae well-known for its ability to produce urushiol, a skin irritant that causes an itching rash and blistering for most people.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact
  • noun dermatitis resulting from contact with the poison ivy plant


Sorry, no etymologies found.


    Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.