Definition

Noun: * A poisonous climbing plant: "Markweed" is the common name for a specific, toxic, climbing vine native to eastern and central North America. It is scientifically known as Toxicodendron radicans and is more commonly called "poison ivy." The plant is characterized by its compound leaves and its ability to cause a severe, itchy skin rash upon contact.

Usage Examples

• Noun:
  • Be careful hiking in those woods; there's a lot of markweed along the trail.
  • The gardener developed a rash after accidentally touching markweed.
  • Learning to identify markweed is important for outdoor safety.

Advanced Usage

• As a subject of caution: The word is almost exclusively used in contexts warning about the plant's dangers or describing encounters with it.
  • The sign warned visitors of the presence of markweed in the undergrowth.

Variants and Related Words

• Poison ivy (n): The most common synonym for "markweed."
• (n): The scientific (Latin) name for the plant.
• Rhus radicans (n): An older scientific name for the same plant.

Synonyms

• Poison ivy
• Poison vine

Notes on Meaning

• Primary Meaning: The term "markweed" refers specifically to the rash-causing plant. It is a regional/common name, not a formal botanical term.
• Etymology: The name "markweed" likely comes from the "mark" or rash it leaves on the skin.

Noun

1. climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact