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Synonyms

water main

American  

noun

  1. a main pipe or conduit in a system for conveying water.


water main British  

noun

  1. a principal supply pipe in an arrangement of pipes for distributing water

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of water main

First recorded in 1795–1805

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

There are no trains going in and out of Heathrow after a burst water main caused flooding at an airport train station.

From BBC • May 30, 2026

The public infrastructure report listed $150 million for “wet” infrastructure repairs, which included replacing aging and leaky water main pipelines.

From Los Angeles Times • Feb. 19, 2026

Welsh Water said the water main repairs were completed on Friday afternoon, although it warned disruption could continue with supplies expected to be restored to everyone on Sunday.

From BBC • Aug. 15, 2025

The agencies said that a water main was temporarily disrupted while the bridge construction took place.

From Los Angeles Times • Aug. 7, 2025

What she doesn’t know is that a water main burst just a few minutes ago next to her building.

From "Challenger Deep" by Neal Shusterman

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