1. (noun)poison ivy dermatitis resulting from contact with the poison ivy plant Synonyms: poison mercury, poison oak, poison ivy, markweed
2. (noun)poison ivy, markweed, poison mercury, poison oak, Toxicodendron radicans, Rhus radicans 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 Synonyms: poison mercury, poison oak, poison ivy, markweed
Synonyms and Antonyms of poison ivy 
