noun
1. any of several Old World coarse prickly-leaved shrubs and subshrubs having milky juice and yellow flowers; widely naturalized; often noxious weeds in cultivated soil
• Syn: ↑sow thistle
• Hyponyms: ↑milkweed, ↑Sonchus oleraceus
• Member Holonyms: ↑Sonchus, ↑genus Sonchus
2. tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America
• Syn: ↑lady's thistle, ↑Our Lady's mild thistle, ↑holy thistle, ↑blessed thistle, ↑Silybum marianum
• Hypernyms: ↑herb, ↑herbaceous plant
• Member Holonyms: ↑Silybum, ↑genus Silybum
Useful english dictionary. 2012.