plumbing
plumb-ing · noun
Definitions
noun
- 1.
The system of pipes, tanks, and fixtures required for water supply and sanitation in a building.
- 2.
The work or trade of installing and maintaining such systems.
- 3.
(Informal) A person's urinary or excretory system.
Related words
Etymology
From Latin plumbum meaning "lead" (the metal pipes were originally made from), via the verb plumb + -ing.