o·pi·a·nine n. Chem. An alkaloid (C22H23NO7) found in small quantity in opium.  It is identical with narcotine.  It is present in amounts up to 11% in Papaver somniferum, and is used clinically as an antitussive. --MI11
 Syn: -- noscapine; narcosine; opian.
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 O·pi·um n.  Chem. The inspissated juice of the Papaver somniferum, or white poppy.
 Note: ☞ Opium is obtained from incisions made in the capsules of the plant, and the best flows from the first incision.  It is imported into Europe and America chiefly from the Levant, and large quantities are sent to China from India, Persia, and other countries.  It is of a brownish yellow color, has a faint smell, and bitter and acrid taste.  It is a stimulant narcotic poison, which may produce hallicinations, profound sleep, or death.  It is much used in medicine to soothe pain and inflammation, and is smoked as an intoxicant with baneful effects.
 Opium joint, a low resort of opium smokers. [Slang]
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 Pop·py n.; pl. Poppies   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.
 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.
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 Papaver somniferum
      n : southwestern Asian herb with grayish leaves and white or
          reddish flowers; source of opium [syn: opium poppy]