perennial ragweed is a noun meaning "coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico". It carries one recorded sense.
coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico
Definitions, synonyms and semantic relations for perennial ragweed come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.