water main


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

Origin of water main

First recorded in 1795–1805
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for water main

Historical Examples of water main

  • If a town is suffering from a break in the water-main, there are two things that may be done!

    The Next Step

    Scott Nearing

  • There was an excavation—an opening for a water-main—in this street.

    Hiram The Young Farmer

    Burbank L. Todd

  • At every short distance there is a connection with the water-main and a length of hose always fit and ready for any emergency.

  • It is best not to take the water direct from the water-main, but from a cistern about fifteen feet above the nozzle.


    C. V. Boys

British Dictionary definitions for water main

water main


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