Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun milk_thistle

2 senses of milk thistle

Sense 1
sow thistle, milk thistle -- (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)
       => shrub, bush -- (a low woody perennial plant usually having several major stems)

Sense 2
milk thistle, lady's thistle, Our Lady's mild thistle, holy thistle, blessed thistle, Silybum marianum -- (tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America)
       => herb, herbaceous plant -- (a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests)