n. [ See Plumb. ] (Min.) The operation of finding, by means of a mine dial, the place where to sink an air shaft, or to bring an adit to the work, or to find which way the lode inclines. [ 1913 Webster ]
n. 1. 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. Gwilt. [ 1913 Webster ]
2. The lead or iron pipes, and other apparatus, used in conveying water, sewage, etc., in a building. [ 1913 Webster ]
(n) utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage, Syn. plumbing system