noun
Eurasian perennial naturalized in eastern North America having very spiny white cottony foliage and nodding musky crimson flower heads; valuable source of nectar
• Syn: ↑musk thistle, ↑nodding thistle
• Hypernyms: ↑thistle
• Member Holonyms: ↑Carduus, ↑genus Carduus
Useful english dictionary. 2012.