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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.

It pulls from two other proposals and was developed after residents voiced concerns over a route that would drill near a high-pressure water main along Sepulveda Boulevard.

From Los Angeles Times • Jan. 22, 2026

Engineers have repaired a burst water main in Fife which had cut off supplies to around 1,000 homes.

From BBC • Dec. 20, 2025

Thousands of people have been affected by a burst water main in Broughton, with residents helping deliver bottled water to others, and long queues reported at water stations.

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

Grandpa wouldn’t pay to hook into the new water main and sewer system, either.

From "Cold Sassy Tree" by Olive Ann Burns

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