MILK THISTLE • DICTIONARY ONE.COM • Definition of Milk thistle

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/mɪlk θˈɪsəl/ Listen

Milk thistle

noun

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. Synonym: sow thistle.

Tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America. Synonyms: blessed thistle, holy thistle, lady's thistle, Our Lady's mild thistle, Silybum marianum.

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Etymology of 'Milk thistle'

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Words linked to "Milk thistle" : genus Sonchus, herb, genus Silybum, Sonchus oleraceus, milkweed, Sonchus, shrub, bush, Silybum, herbaceous plant