English version

water main

From Longman Dictionary of Contemporary English
Related topics: Civil
water mainˈwater main noun [countable]  TECa large underground pipe that carries the public supply of water to buildings a burst water main
Examples from the Corpus
water mainA water main froze and broke in the neighborhood, and the streets have been flooded for two days.Building London's ring water main is not a job for the fainthearted.
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