noun.
An annual Eurasian plant (Centaurea cyanus) in the composite family, cultivated and also naturalized in North America and having showy heads of blue, purple, pink, or white flowers.
The Century Dictionary and Cyclopedia
noun.
A flower or plant growing in grain-fields, as the wild poppy, and especially the bluebottle, Centaurea Cyanus.
the GNU version of the Collaborative International Dictionary of English
noun.
A conspicuous wild flower (Centaurea Cyanus), growing in grainfields.
noun.
A small annual species of aster, Centaurea cyanus, usually with bushy blue flowers which grows natively in European cornfields (i.e. wheatfields).
noun.Cornflower blue.
adjective.
Of a blue colour, as that of the cornflower.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
plant of southern and southeastern United States grown for its yellow flowers that can be dried
noun.
an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers