nar·cot·ic /nɑrˈkɑtɪk/
 麻醉藥,鎮靜劑(a.)麻醉的,催眠的
 nar·cot·ic /nɑrˈkɑtɪk/ 名詞
 Nar·cot·ic a.  Med. Having the properties of a narcotic; operating as a narcotic.
 -- Nar*cot*ic*ness, n.
 Nar·cot·ic n. Med. A drug which, in medicinal doses, generally allays morbid susceptibility, relieves pain, and produces sleep; but which, in poisonous doses, produces stupor, coma, or convulsions, and, when given in sufficient quantity, causes death. The best examples are opium (with morphine), belladonna (with atropine), and conium.
    Nercotykes and opye (opium) of Thebes.   --Chaucer.
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 narcotic
      adj 1: of or relating to or designating narcotics; "narcotic
             addicts"; "narcotic stupor"
      2: inducing stupor or narcosis; "narcotic drugs" [syn: narcotizing,
          narcotising]
      3: inducing mental lethargy; "a narcotic speech" [syn: soporiferous,
          soporific]
      n : a drug that produces numbness or stupor; often taken for
          pleasure or to reduce pain; extensive use can lead to
          addiction