poison mercury

1 definition found

poison mercury - WordNet (r) 2.1 (2005) :

  poison mercury
      n 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 [syn: poison ivy, markweed, poison mercury,
           poison oak, Toxicodendron radicans, Rhus radicans]