the mains

plural noun

: the system of pipes or wires for electricity, gas, or water
My radio runs either off batteries or off the mains.
often used as mains before another noun
We haven't had any mains water/electricity since the storm.

Dictionary Entries Near the mains

Cite this Entry

“The mains.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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