Main Entry: plumb·ing

Pronunciation: \ˈplə-miŋ\

Function: noun

Date: 1666

1 : the act of using a plumb
2 : a plumber's occupation or trade
3 a : the apparatus (as pipes and fixtures) concerned in the distribution and use of water in a building b : an internal system that resembles plumbing; especially : one consisting of conduits or channels for conveying fluids