Meaning of POISON ASH

WordNet Dictionary
	Definition:		[n]  smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil
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	Synonyms:		poison dogwood, poison sumac, Rhus vernix, Toxicodendron vernix
	See Also:		genus Toxicodendron, poisonous plant, Toxicodendron