cumfrey

Từ điển WordNet v3.1 - WordNet Dictionary

noun

perennial herbs of Europe and Iran;
make rapidly growing groundcover for shaded areas
• Syn:
comfrey
• Hypernyms:
herb, herbaceous plant
• Hyponyms:
common comfrey, boneset, Symphytum officinale
• Member Holonyms:
Symphytum, genus Symphytum