hoary plantain is a noun meaning "North American annual or biennial with long soft hairs on the leaves". It carries 2 recorded senses.
North American annual or biennial with long soft hairs on the leaves
widely distributed Old World perennial naturalized in North America having finely hairy leaves and inconspicuous white fragrant flowers
Definitions, synonyms and semantic relations for hoary plantain come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.