noun (n)

• utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage(noun.artifact)

  Synonym:
  plumbing system
  

  source: wordnet30
• the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building)(noun.act)

  Synonym:
  plumbery
  

  source: wordnet30
• measuring the depths of the oceans(noun.act)

  Synonym:
  bathymetry
  

  source: wordnet30
• The art of casting and working in lead, and applying it to building purposes; especially, the business of furnishing, fitting, and repairing pipes for conducting water, sewage, etc.(noun)

  source: webster1913