The DICT Development Group

  Poppy \Pop"py\, n.; pl. Poppies. [OE. popy, AS. popig, L.
     papaver.] (Bot.)
     Any plant or species of the genus Papaver, herbs with showy
     polypetalous flowers and a milky juice. From one species
     ({Papaver somniferum) opium is obtained, though all the
     species contain it to some extent; also, a flower of the
     plant. See Illust. of Capsule.
     [1913 Webster]
  
     California poppy (Bot.), any yellow-flowered plant of the
        genus Eschscholtzia.
  
     Corn poppy. See under Corn.
  
     Horn poppy, or Horned poppy. See under Horn.
  
     Poppy bee (Zool.), a leaf-cutting bee ({Anthocopa
        papaveris) which uses pieces cut from poppy petals for
        the lining of its cells; -- called also upholsterer bee.
        
  
     Prickly poppy (Bot.), Argemone Mexicana, a
        yellow-flowered plant of the Poppy family, but as prickly
        as a thistle.
  
     Poppy seed, the seed the opium poppy ({Papaver
        somniferum).
  
     Spatling poppy (Bot.), a species of Silene ({Silene
        inflata). See Catchfly.
        [1913 Webster] Poppy

  Poppy \Pop"py\, Poppyhead \Pop"py*head`\, n. [F. poup['e]e doll,
     puppet. See Puppet.] (Arch.)
     A raised ornament frequently having the form of a final. It
     is generally used on the tops of the upright ends or elbows
     which terminate seats, etc., in Gothic churches.
     [1913 Webster]

  poppy
      n 1: annual or biennial or perennial herbs having showy flowers