poison oak

uncountable usually

Any of the species of Toxicodendron with compound leaves having three oak-like leaflets, native to North America.

Japanese Meaning

北米原産の、トキシコディロン属に属する、3つのオークのような複葉を持つ有毒な植物

When hiking in California, I learned to identify poison oak by its three shiny leaflets.

カリフォルニアでハイキング中、葉が三枚のカシワ状の小葉からなる北米原産のトキシコデンドロン属の一種の見分け方を覚えた。

Sense（1）

Any of the species of Toxicodendron with compound leaves having three oak-like leaflets, native to North America.

poison oaks

（ plural ）