noun
tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America
• Syn: ↑milk thistle, ↑lady's thistle, ↑holy thistle, ↑blessed thistle, ↑Silybum marianum
• Hypernyms: ↑herb, ↑herbaceous plant
• Member Holonyms: ↑Silybum, ↑genus Silybum
Useful english dictionary. 2012.