milk thistle

Từ điển WordNet v3.1 - WordNet Dictionary

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
• Hypernyms:
shrub, bush
• 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