- the system of pipes and other apparatus for conveying water, liquid wastes, etc., as in a building.
- the work or trade of a plumber.
- act of a person who plumbs, as in ascertaining depth.
- the trade or work of a plumber
- the pipes, fixtures, etc, used in a water, drainage, or gas installation
- the act or procedure of using a plumb to gauge depth, a vertical, etc