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

• vindication
• vindicative
• vindicator
• second fiddle
• second gear
• second growth
• second half
• second joint
• Second Lateran Council
• second law of motion
• second law of thermodynamics
• second lieutenant
• Second Marquis of Rockingham
• second moment
• second mortgage
• second nature
• second period
• second person
• second power
• second reading
• Second Reich
• second sacker
• second sight
• second stomach
• second string