English

poison ivy leaves

Noun

poison ivy ‎(countable and uncountable, plural poison ivies)

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.

Usage notes

The name is often spelled "poison-ivy" to indicate that it is not a true ivy or Hedera.

Hyponyms

• (ivy-like plant producing skin irritant): Toxicodendron orientale (Asian poison ivy), Toxicodendron radicans (eastern poison ivy), Toxicodendron rydbergii (western poison ivy)

Translations

See also

• leaves of three, let it be
• poison oak
• poison sumac