plumed thistle is a noun meaning "any of numerous biennial to perennial herbs with handsome purple or yellow or occasionally white flower heads". It carries one recorded sense.
any of numerous biennial to perennial herbs with handsome purple or yellow or occasionally white flower heads
Definitions, synonyms and semantic relations for plumed thistle come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.