noun
1. European herb having small white, pink or purple flowers; naturalized as a weed in North America
• Syn: ↑common comfrey, ↑Symphytum officinale
• Part Meronyms: ↑comfrey, ↑healing herb
2. perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine
• Syn: ↑agueweed, ↑thoroughwort, ↑Eupatorium perfoliatum
• Hypernyms: ↑herb, ↑herbaceous plant
• Member Holonyms: ↑Eupatorium, ↑genus Eupatorium
Useful english dictionary. 2012.