Canada thistle
noun
an Old World plant, Cirsium arvense, having small purple or white flower heads, now a troublesome weed in North America.
Origin of Canada thistle
1An Americanism dating back to 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use Canada thistle in a sentence
Little bits of Canada-thistle root half an inch long may send forth buds, and each bud grow to be an independent plant.
Seed Dispersal | William J. Beal
British Dictionary definitions for Canada thistle
Canada thistle
noun
the US and Canadian name for creeping thistle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Browse