[1] : The Collaborative International Dictionary of English v.0.48

cornflower \corn"flow`er\ k^orn"flou`~er, n. bot.
   a conspicuous wild flower centaurea cyanus, growing in
   grainfields.
   1913 webster
see also:
centaurea cyanus 

[2] : The Collaborative International Dictionary of English v.0.48

bachelor's button \bach"elor's but"ton\, bot.
   a plant with flowers shaped like buttons; especially, several
   species of ranunculus, and the cornflower centaurea
   cyanus and globe amaranth gomphrena.
   1913 webster

   note: bachelor's buttons, a name given to several flowers
         "from their similitude to the jagged cloathe buttons,
         anciently worne in this kingdom," according to
         johnson's --gerarde, p. 472 1633; but by other
         writers ascribed to "a habit of country fellows to
         carry them in their pockets to divine their success
         with their sweethearts." --dr. prior.
         1913 webster
see also:
ranunculus centaurea cyanus gomphrena 

[3] : The Collaborative International Dictionary of English v.0.48

bluebottle \blue"bot`tle\, blue-bottle \blue-bottle\, n.
   1. bot. an annual eurasian plant centaurea cyanus which
      grows in grain fields; -- called also bachelor's button.
      it receives its name from its blue bottle-shaped flowers.
      varieties cultivated in north america have showy heads of
      blue or purple or pink or white flowers

   syn: cornflower, bachelor's button.
        1913 webster + wordnet 1.5

   2. zool. a large and troublesome species of blowfly musca
      vomitoria. its body is steel blue.
      1913 webster
see also:
centaurea cyanus bachelor's button musca vomitoria 

[4] : The Collaborative International Dictionary of English v.0.48

bluets \blu"ets\, n. f. bluet, bleuet, dim. of bleu blue. see
   blue, a. bot.
   a name given to several different species of plants having
   blue flowers, as the houstonia coerulea, the centaurea
   cyanus or bluebottle, and the vaccinium angustifolium.
   1913 webster
see also:
blue houstonia coerulea centaurea cyanus vaccinium angustifolium 

[5] : The Collaborative International Dictionary of English v.0.48

centaurea \cen`taure"a\, prop. n. nl. see centaury. bot.
   a large genus of composite plants, related to the thistles
   and including the cornflower or bluebottle centaurea
   cyanus and the star thistle centaurea calcitrapa.
   1913 webster
see also:
centaury centaurea cyanus centaurea calcitrapa 

[6] : WordNet (r) 2.0

centaurea cyanus
     n : an annual eurasian plant cultivated in north america having
         showy heads of blue or purple or pink or white flowers
         syn: cornflower, bachelor's button, bluebottle
see also:
cornflower bachelor's button bluebottle 

Centaurea >> C Words
Centaurea, definition of term: Centaurea
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