centaurea cyanus is a noun meaning "an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers". It carries one recorded sense.
an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
Definitions, synonyms and semantic relations for centaurea cyanus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.