milk thistle

noun

Definition of milk thistle 

: a tall thistle (Silybum marianum) having white-veined dark green leaves and large purple flower heads that is native to the Mediterranean region but has become naturalized elsewhere including the U.S. also : an extract of milk thistle and especially its seeds that is held to protect the liver from damage or disease

Examples of milk thistle in a Sentence

Recent Examples on the Web

Instead, Lopez takes a handful of herbal supplements including aforementioned turmeric, milk thistle, burdock root, and neem leaf. Devon Abelman, Allure, "This All-Natural Acne Skin-Care Routine Is Going Viral on Instagram," 13 Dec. 2017 Alana Giarrano, an undergraduate, appeared with a box containing milk thistle, St. John’s wort, stinging nettle and a plant with a fuzzy pink shock of a flower, like a tiny mohawk, called dwarf coral, or celosia. Written By Annie Correal; Photographs By Karsten Moran, New York Times, "A Seed Artist Germinates History," 31 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'milk thistle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of milk thistle

1562, in the meaning defined above

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The first known use of milk thistle was in 1562

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More Definitions for milk thistle

milk thistle

noun
milk this·tle | \-ˈthis-əl \

Medical Definition of milk thistle 

1 : a tall thistle (Silybum marianum) that is the source of silymarin, has large clasping white-blotched leaves and large purple flower heads with bristly receptacles, and is native to southern Europe but has been widely introduced elsewhere including the United States

2 : an extract of milk thistle and especially its seeds : silymarin

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