poison ivy

Noun

• 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

• dermatitis resulting from contact with the poison ivy plant
  • my poison ivy is drying up
    

Related words

• Synonyms: 
  markweed , poison mercury , poison oak , Toxicodendron radicans , Rhus radicans