poison oak en · NOUN
Etymology
Its leaves resemble those of the true oaks, and the leaves and twigs contain urushiol, which can cause allergic reactions.
Meanings
- (uncountable, usually) Any of the species of Toxicodendron with compound leaves having three oak-like leaflets, native to North America.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| poison oaks | Number=Plur | lexicographic |
Deriveds
Atlantic poison oak · western poison oak