from The American Heritage® Dictionary of the English Language, 4th Edition
- n. 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. Also called bachelor's button.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small annual species of aster, Centaurea cyanus, usually with bushy blue flowers which grows natively in European cornfields (i.e. wheatfields).
- n. Cornflower blue.
- adj. Of a blue colour, as that of the cornflower.
from the GNU version of the Collaborative International Dictionary of English
- n. A conspicuous wild flower (Centaurea Cyanus), growing in grainfields.
from The Century Dictionary and Cyclopedia
- n. A flower or plant growing in grain-fields, as the wild poppy, and especially the bluebottle, Centaurea Cyanus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. plant of southern and southeastern United States grown for its yellow flowers that can be dried
- n. an annual Eurasian plant cultivated in North America having showy heads of blue or purple or pink or white flowers
So called because it is found in cornfields.(American Heritage® Dictionary of the English Language, Fourth Edition)