barnaby's thistle is a noun meaning "European weed having a winged stem and hairy leaves; adventive in the eastern United States". It carries one recorded sense.
European weed having a winged stem and hairy leaves; adventive in the eastern United States
Definitions, synonyms and semantic relations for barnaby's thistle come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.