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bull thistle

noun
  1. a tall, spiny thistle, Cirsium vulgare, having heads of pink to purple flowers: a common weed in North America.
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Origin of bull thistle

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for bull thistle

Historical Examples

  • Who picked out that old cross between a split-saw and a bull-thistle to umpire this muster?

    The Skipper and the Skipped

    Holman Day