noun (n)

• the act of removing the contents of something(noun.act)

  Synonym:
  emptying, voidance
  

  source: wordnet30
• the act of evacuating; leaving a place in an orderly fashion; especially for protection(noun.act)

  source: wordnet30
• the bodily process of discharging waste matter(noun.process)

  Synonym:
  elimination, excreting, excretion, voiding
  

  source: wordnet30
• The act of emptying, clearing of the contents, or discharging.(noun)

  source: webster1913