poison-ivy
A woody vine plant in the family Anacardiaceae, well-known for its ability to produce…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.
Meaning
1 senses(uncountable)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
From poison + ivy.From poison + ivy.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable