Definition of poison oak Poison oak
poi•son oak
We found 3 definitions of poison oak from 2 different sources.
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What does poison oak mean?
WordNet
Noun |
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| poison oak - dermatitis resulting from contact with a poison oak plant | ||
| poison oak - 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 | ||
| poison ivy, markweed, poison mercury, Toxicodendron radicans, Rhus radicans | ||
| poisonous plant a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism | ||
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Wiktionary 
- poison oak (Noun)
Any of several species of Toxicodendron with oak-like leaves.
