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Noun: poison oak  poy-zun owk
  1. 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
    - poison ivy, markweed, poison mercury, Toxicodendron radicans, Rhus radicans
     
  2. Dermatitis resulting from contact with a poison oak plant

Derived forms: poison oaks

Type of: poisonous plant, Rhus dermatitis

Part of: genus Toxicodendron, Toxicodendron

Encyclopedia: Poison oak

Nearest

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poison bush
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poison dogwood
poison gas
poison hemlock
poison ivy
poison mercury
poison milkweed
poison oak
poison parsley
poison pea
poison pill
poison sumac
poisonberry
poison-berry
poisoner
poisoning
poisonous
poisonous nightshade