bull thistle

noun

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

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 of bull thistle

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