Plumbing

of Plumb

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.

The lead or iron pipes, and other apparatus, used in conveying water, sewage, etc., in a building.

measuring the depths of the oceans

the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building)