Part of speech:
(Shipbuilding) Any one of certain lines of a vessel, model, or plan, parallel with the surface of the water at various heights from the keel. In a half-breadth plan, the water lines are outward curves showing the horizontal form of the ship at their several heights; in a sheer plan, they are projected as straight horizontal lines.
The pipes, fixtures, and other apparatus of a water, gas, or sewage system in a building.
Find another word for water-main. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for water-main, like: main, water-line, plumbing and principal pipe.