bull thistle
- 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 SkippedHolman Day