noun (n)

• any plant of the genus Cannabis; a coarse bushy annual with palmate leaves and clusters of small green flowers; yields tough fibers and narcotic drugs(noun.plant)

  Synonym:
  hemp
  

  source: wordnet30
• 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(noun.artifact)

  Synonym:
  ganja, marihuana, marijuana
  

  source: wordnet30
• A genus of a single species belonging to the order Uricaceæ; hemp.(noun)

  source: webster1913