Word.ws English Dictionary

poison-ivy

poison-ivy noun: a woody vine plant in the family Anacardiaceae (Toxicodendron radicans or Rhus toxicodendron), well-known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people.

Noun

poison-ivy (uncountable)

  1. A woody vine plant in the family Anacardiaceae (Toxicodendron radicans or Rhus toxicodendron), well-known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people.

Origin of poison-ivy

From poison + ivy.

Questions about poison-ivy

What does poison-ivy mean?
Poison-ivy means a woody vine plant in the family Anacardiaceae (Toxicodendron radicans or Rhus toxicodendron), well-known for its ability to produce urushiol, a skin irritant that causes an itching rash for most people.
What part of speech is poison-ivy?
Poison-ivy is a noun.

Words near poison-ivy in the dictionary

  1. poison queues
  2. poison sumac
  3. poison sumacs
  4. poison taster
  5. poison the well
  6. poison-ivy
  7. poison-nut
  8. poison-nuts
  9. poison-pen letter
  10. poison-pen letters
  11. poisonability

Source and license

Adapted from Wiktionary: poison-ivy (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “poison-ivy.” Word.ws, https://word.ws/poison-ivy. Based on Wiktionary, CC BY-SA 4.0.