the system of pipes, tanks, fittings, and other apparatus required for the water supply, heating, and sanitation in a building:you may be able to get a grant to install proper plumbing and bathroomsthe kitchen has a gas cooker point and plumbing for an automatic washing machine
the work of installing and maintaining a plumbing system:the magazine gives a guide to the tools needed for home plumbing
informal used as a humorous euphemism for the excretory tracts and urinary system:I’d never discuss my plumbing with ladies
plumbing in other Oxford dictionaries
Definition of plumbing in the US English dictionary