Canada thistle

noun

Definition of Canada thistle

: a European thistle (Cirsium arvense) with pinkish-purple or white flowers naturalized as a weed in North America

First Known Use of Canada thistle

1799, in the meaning defined above

Keep scrolling for more

Learn More about Canada thistle

Time Traveler for Canada thistle

Time Traveler

The first known use of Canada thistle was in 1799

See more words from the same year

Statistics for Canada thistle

Cite this Entry

“Canada thistle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Canada%20thistle. Accessed 18 Feb. 2020.

Comments on Canada thistle

What made you want to look up Canada thistle? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!