poison oak

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. dermatitis resulting from contact with a poison oak plant
• Hypernyms:
Rhus dermatitis
2. 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
• Syn:
poison ivy, markweed, poison mercury, Toxicodendron radicans, Rhus radicans
• Hypernyms:
poisonous plant
• Member Holonyms:
Toxicodendron, genus Toxicodendron