say it: PLUHM-ing
plumbing is a noun meaning "utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage". It carries 3 recorded senses.
utility consisting of the pipes and fixtures for the distribution of water or gas in a building and for the disposal of sewage
the occupation of a plumber (installing and repairing pipes and fixtures for water or gas or sewage in a building)
measuring the depths of the oceans
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for plumbing come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.