water main

US /ˈwɑː.t̬ɚ ˌmeɪn/

UK /ˈwɑː.t̬ɚ ˌmeɪn/

1.

a principal pipe in a system of water supply

:

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A burst water main caused flooding in the street.

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The city is repairing a damaged water main.

:

water pipe main pipe supply pipe

:

main water main course main line Maine Coon maine-anjou main clause