English to English

noun (n)

• a coarse prickly European weed with spikes of blue flowers; naturalized in United States(noun.plant)

  source: wordnet30
• the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic(noun.artifact)

  Synonym:
  amobarbital sodium, amytal, blue, blue angel
  

  source: wordnet30