sow-thistle

sow thistle

[sou]
noun
any composite plant belonging to the genus Sonchus, especially S. oleraceus, a weed having thistlelike leaves, yellow flowers, and a milky juice.

Origin:
1200–50; Middle English sowethistel, earlier sugethistel. See sow2, thistle

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World English Dictionary
sow thistle (saʊ)
 
n
milk thistle, puha, Also called: rauriki any of various plants of the Old World genus Sonchus, esp S. oleraceus, having milky juice, prickly leaves, and heads of yellow flowers: family Asteraceae (composites)
 
[C13: from sugethistel, perhaps variant of Old English thugethistel, thuthistel thowthistle, a dialect name of the sow thistle. See sow², thistle]

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