Definition

1. Noun:
   • A climbing plant: A common plant in eastern and central United States with leaves in groups of three, greenish flowers, and white berries. It produces an irritating oil.
   • A skin condition: The dermatitis or rash resulting from contact with the poison ivy plant.

Usage and Examples

• Noun (Plant):
• Noun (Rash):

Advanced Usage

• "to get poison ivy": To contract the rash from contact with the plant.
• "a poison ivy rash": A specific description of the skin condition.

Variants and Related Words

• Poison oak (n): A similar plant, also causing contact dermatitis, typically with leaves that resemble oak leaves.
• Poison sumac (n): A shrub or small tree that also causes severe skin irritation.
• Urushiol (n): The oily resin found in poison ivy, poison oak, and poison sumac that causes the allergic rash.

Synonyms

• Toxicodendron radicans (n): The scientific name for the poison ivy plant.
• Contact dermatitis (n): The general medical term for the type of skin rash caused by poison ivy.

Related Phrases

• "Leaves of three, let it be": A common warning phrase to help identify and avoid poison ivy, which characteristically has leaves growing in groups of three.

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
2. dermatitis resulting from contact with the poison ivy plant
   • my poison ivy is drying up