the mains
plural nounDefinition of the mains
British
: 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.
Test Your Vocabulary
Odd Habits and Quirks
-
- Which of the following best describes an easily irritated person?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share the mains