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 disease does not generally spread from person to person, but infections can occur if the bacteria get into a building's water supply, including in shower heads, sink faucets, hot water tanks, heaters, cooling towers and other plumbing systems.
—
Mary Kekatos,
ABC News,
7 July 2026
On the other side, the plumbing is being pushed toward neutral ground.
—
Janakiram Msv,
Forbes.com,
6 July 2026
Four additional requests for service involving unpermitted plumbing, building and electrical renovations were opened earlier this year.
—
Nora O'Neill,
Charlotte Observer,
6 July 2026
Packed houses and rising temperatures push HVAC and plumbing systems beyond their limits, and emergency calls spike accordingly.
—
Sharon Wu,
USA Today,
4 July 2026
See All Example Sentences for plumbing
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Mary Kekatos,
ABC News,
7 July 2026
On the other side, the plumbing is being pushed toward neutral ground.
—
Janakiram Msv,
Forbes.com,
6 July 2026
Four additional requests for service involving unpermitted plumbing, building and electrical renovations were opened earlier this year.
—
Nora O'Neill,
Charlotte Observer,
6 July 2026
Packed houses and rising temperatures push HVAC and plumbing systems beyond their limits, and emergency calls spike accordingly.
—
Sharon Wu,
USA Today,
4 July 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 7 Jul. 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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