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Noun: poison sumac  'poy-zun 'shoo,mak
  1. Dermatitis resulting from contact with a poison sumac plant
     
  2. Smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil
    - poison ash, poison dogwood, Toxicodendron vernix, Rhus vernix

Derived forms: poison sumacs

Type of: poisonous plant, Rhus dermatitis

Part of: genus Toxicodendron, Toxicodendron

Encyclopedia: Poison sumac