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, washbasin, washstand
  

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

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

  source: wordnet30
• A basin, or bowl, to hold water for washing one's hands, face, etc.(noun)

  source: webster1913