Barnaby's thistle


Bar·​na·​by's thistle
: any of several weeds of the genus Centaurea
especially : a European herb (C. solstitialis) adventive in the eastern U.S. and having a winged stem and tomentose leaves

Word History


from Barnaby (day), the time of its flowering

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Dictionary Entries Near Barnaby's thistle

Cite this Entry

“Barnaby's thistle.” Dictionary, Merriam-Webster, Accessed 21 Jun. 2024.

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