milk thistle


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 United States; also :  an extract of milk thistle and especially its seeds that is held to protect the liver from damage or disease

First Known Use of MILK THISTLE

1562

milk this·tle

noun \-ˈthis-əl\   (Medical Dictionary)

Medical Definition of MILK THISTLE

: 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

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