noun (n)

• a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face(noun.artifact)

  Synonym:
  basin, lavatory, washbowl, washstand
  

  source: wordnet30
• a basin for washing the hands (`wash-hand basin' is a British expression)(noun.artifact)

  Synonym:
  handbasin, lavabo, wash-hand basin, washbowl
  

  source: wordnet30