1
: the act of using a plumb
2
: a plumber's occupation or trade
3
a
: 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 reach side of the market is running on the bundle side's plumbing.
—
Gabriel Alin Zainescu, Forbes.com, 23 May 2026
The show combines nontraditional percussion, marshmallows, paint splashes, plumbing, black lights and streaming streamers.
—Dewayne Bevil, The Orlando Sentinel, 22 May 2026
The short answer is yes for the same reason above—plus mice see the plumbing and electrical openings around your dishwasher as an open invitation.
—Kate Van Pelt, The Spruce, 22 May 2026
Sewer laterals connect a property's plumbing to the sewer main.
—Molly McCrea, CBS News, 22 May 2026
See All Example Sentences for plumbing
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Gabriel Alin Zainescu, Forbes.com, 23 May 2026
The show combines nontraditional percussion, marshmallows, paint splashes, plumbing, black lights and streaming streamers.
—Dewayne Bevil, The Orlando Sentinel, 22 May 2026
The short answer is yes for the same reason above—plus mice see the plumbing and electrical openings around your dishwasher as an open invitation.
—Kate Van Pelt, The Spruce, 22 May 2026
Sewer laterals connect a property's plumbing to the sewer main.
—Molly McCrea, CBS News, 22 May 2026
See All Example Sentences for plumbing
Cite this Entry
“Plumbing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plumbing. Accessed 29 May. 2026.
Copy CitationKids Definition
plumbing
noun
plumb·ing
ˈpləm-iŋ 
1
: a plumber's work
2
: a system of pipes for supplying and carrying off water in a building
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