English Explanatory Dictionary

poison ivy

English dictionary entry

Meanings

noun
  1. Any of three ivy-like species of Toxicodendron, known for their ability to cause an itching rash and blistering for most people, through urushiol, an oil that is a skin irritant.
  2. Any species of Toxicodendron that can cause a rash, including poison oak and poison sumac.

Pronunciation

LL-Q1860 (eng)-Knabrupt-poison ivy.wav

Word forms

poison ivy poison ivies

Related words

leaves of three, let it be poison oak poison sumac

Derived words

Asian poison ivy eastern poison ivy western poison ivy
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