Source : WordNet®

marijuana
     n 1: a strong-smelling plant from whose dried leaves a number of
          euphoriant and hallucinogenic drugs are prepared [syn: {marihuana},
           {ganja}, {Cannabis sativa}]
     2: the most commonly used illicit drug; considered a soft drug,
        it consists of the dried leaves of the hemp plant; smoked
        or chewed for euphoric effect [syn: {cannabis}, {marihuana},
         {ganja}]