noun
1. an Old World spurge introduced as a weed in the eastern United States
• Syn: ↑petty spurge, ↑Euphorbia peplus
• Hypernyms: ↑spurge
• Member Holonyms: ↑Euphorbia, ↑genus Euphorbia
2. not unattractive European weed whose flowers turn toward the sun
• Syn: ↑sun spurge, ↑wartweed, ↑wartwort, ↑Euphorbia helioscopia
• Hypernyms: ↑spurge
• Member Holonyms: ↑Euphorbia, ↑genus Euphorbia
Useful english dictionary. 2012.