plumb·​ing | \ ˈplə-miŋ How to pronounce plumbing (audio) \

Definition of plumbing

1 : the act of using a plumb
2 : a plumber's occupation or trade
3a : the apparatus (such as pipes and fixtures) concerned in the distribution and use of water in a building
b : an internal system that resembles plumbing especially : one consisting of conduits or channels for conveying fluids

Examples of plumbing in a Sentence

The house has old plumbing.
Recent Examples on the Web The team included building, electrical and plumbing inspectors. J.k. Dineen, San Francisco Chronicle, 27 Aug. 2021 Legionella is another bacteria that can grow in stagnant water within plumbing systems. Elena Bruess, San Antonio Express-News, 25 June 2021 Prior to the storm, Wildflower received a warning in 2021 for failure to properly maintain the plumbing systems. Dianne Solis, Dallas News, 12 Mar. 2021 The most common requests are for refrigerators, washers and dryers, air conditioning, water heaters, electrical systems, plumbing systems, stoves, ovens, and ductwork. Better Homes & Gardens, 12 Mar. 2021 Most school plumbing systems contain some lead, Betanzo said. Koby Levin, Detroit Free Press, 21 Feb. 2021 Arizona law requires landlords to maintain plumbing systems and provide running water to tenants. Rebekah L. Sanders, The Arizona Republic, 28 Oct. 2020 The funds would also allow for repairs of the plumbing systems and other infrastructure. Madeline Buckley,, 28 Oct. 2020 While these are more annoying than truly concerning, hard water can be incredibly destructive over time—particularly concerning plumbing systems, fixtures, and appliances that frequently have water running through them. Gabrielle Hondorp, Popular Mechanics, 14 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'plumbing.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of plumbing

15th century, in the meaning defined at sense 1

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Time Traveler for plumbing

Time Traveler

The first known use of plumbing was in the 15th century

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Dictionary Entries Near plumbing

plumb in


plumbing fixture

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Statistics for plumbing

Last Updated

3 Dec 2021

Cite this Entry

“Plumbing.” Dictionary, Merriam-Webster, Accessed 6 Dec. 2021.

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More Definitions for plumbing



English Language Learners Definition of plumbing

: a system of pipes that carries water through a building
: the work of a plumber : the job of installing and repairing sinks, toilets, water pipes, etc.


plumb·​ing | \ ˈplə-miŋ How to pronounce plumbing (audio) \

Kids Definition of plumbing

1 : a system of pipes and fixtures for supplying and carrying off water in a building
2 : the installation or repair of part or all of such a system of pipes and fixtures


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