Canada Thistle Definition
noun
A prickly European weed (Cirsium arvense) of the composite family, with heads of purplish flowers and wavy leaves: now common as a fast-spreading, injurious weed throughout the N U.S.
Webster's New World
Corn thistle.
Wiktionary
Synonyms:
Other Word Forms of Canada Thistle
Noun
Singular:
Canada thistle
Plural:
canada-thistles
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