poison ivy

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poison ivy
Toxicodendron radicans

poison ivy

n.
1. 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.
2. A skin rash caused by contact with this plant. In both senses also called poison oak.

poison ivy

n
(Plants) any of several North American anacardiaceous shrubs or vines of the genus Rhus (or Toxicodendron), esp R. radicans, which has small green flowers and whitish berries that cause an itching rash on contact. See also sumach1

poi′son i′vy


n.
1. a vine or shrub, Rhus radicans, of the cashew family, with trifoliate leaves and whitish berries: may cause allergic dermatitis when touched.
3. the rash caused by touching poison ivy.
[1775–85, Amer.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.poison ivy - dermatitis resulting from contact with the poison ivy plantpoison ivy - dermatitis resulting from contact with the poison ivy plant; "my poison ivy is drying up"
Rhus dermatitis - contact dermatitis resulting from contact with plants of the genus Toxicodendron
2.poison ivy - climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berriespoison ivy - 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
genus Toxicodendron, Toxicodendron - in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America
poisonous plant - a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism
Translations

poison ivy

nedera del Canada

poison ivy

n (bot) hiedra venenosa