[W/K] :: Bluebottle

  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]

  bluebottle
       n 1: 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, Centaurea
            cyanus]
       2: blowfly with iridescent blue body; makes a loud buzzing
          noise in flight [syn: Calliphora vicina]