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Definition of watermain

watermain

/ˈwɔː.tərˌmeɪn/
wa · ter · main
Plural:watermains
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watermain Lexical Profile

watermain Game Scores & Validity

• noun

1

A principal underground pipe in a municipal water-distribution system that carries water to smaller service pipes supplying buildings and hydrants.

Example

"City crews worked through the night to repair a burst watermain that had flooded the downtown intersection."

Synonyms
View all synonyms for watermain

Word Nuance & Usage

While often written as the closed compound "watermain" (especially in Canadian municipal usage), the open form "water main" is more common in standard American and British English.

• Nearby Words

waterlogged
waterlogging
waterloo
watermain
watermark
watermelon
watermill

Cite this Entry

Wordmom. (2026). Definition of Watermain. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/watermain
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