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
However, the coverage limits for plumbing and electrical systems are lower than those offered by competitors, and costs may not be fully covered if those systems break down.
—
Alora Bopray, USA Today, 30 Dec. 2025
When the radiator is laid on its back, the copper plumbing and heatsinks become visible, showing how heat will be transferred into the cast-iron body.
—Kaif Shaikh, Interesting Engineering, 30 Dec. 2025
Denver District Attorney's Office Two days later, a van parked outside a Denver plumbing and heating business had the driver's side window broken and $3,500 taken from inside.
—Logan Smith, CBS News, 28 Dec. 2025
In addition, corrosive fumes from cleaning supplies such as bleach and ammonia can also damage plumbing and/or weaken cabinets.
—Melissa Locker, Southern Living, 27 Dec. 2025
See All Example Sentences for plumbing
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Alora Bopray, USA Today, 30 Dec. 2025
When the radiator is laid on its back, the copper plumbing and heatsinks become visible, showing how heat will be transferred into the cast-iron body.
—Kaif Shaikh, Interesting Engineering, 30 Dec. 2025
Denver District Attorney's Office Two days later, a van parked outside a Denver plumbing and heating business had the driver's side window broken and $3,500 taken from inside.
—Logan Smith, CBS News, 28 Dec. 2025
In addition, corrosive fumes from cleaning supplies such as bleach and ammonia can also damage plumbing and/or weaken cabinets.
—Melissa Locker, Southern Living, 27 Dec. 2025
See All Example Sentences for plumbing
Cite this Entry
“Plumbing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plumbing. Accessed 31 Dec. 2025.
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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