English dictionary

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English noun: poison oak

1. poison oak (state) dermatitis resulting from contact with a poison oak plant

Broader (hypernym)Rhus dermatitis

2. poison oak (plant) 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

Synonymsmarkweed, poison ivy, poison mercury, Rhus radicans, Toxicodendron radicans

Broader (hypernym)poisonous plant

Member meronymgenus Toxicodendron, Toxicodendron

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