poison ash

Từ điển WordNet v3.1 - WordNet Dictionary

noun

smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries;
yields an irritating oil
• Syn:
poison dogwood, poison sumac, Toxicodendron vernix, Rhus vernix
• Hypernyms:
poisonous plant
• Member Holonyms:
Toxicodendron, genus Toxicodendron