DICT.TW Dictionary Taiwan

 Bach·e·lor'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).
 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.”
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 Blue·bot·tle, 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.
 2. Zool. A large and troublesome species of blowfly (Musca vomitoria). Its body is steel blue.
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 bachelor's button
      n 1: an annual Eurasian plant cultivated in North America having
           showy heads of blue or purple or pink or white flowers
           [syn: cornflower, bluebottle, Centaurea cyanus]
      2: tropical American herb having rose to red or purple flowers
         that can be dried without losing color [syn: globe
         amaranth, Gomphrena globosa]