Barnaby's thistle

noun Bar·na·by's thistle \ˈbärnəbēz-\

Definition of Barnaby's thistle

  1. :  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

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Origin and Etymology of barnaby's thistle

from Barnaby (day), the time of its flowering

Seen and Heard

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a rounded knoll or a ridge of ice

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