mains

noun

The farm or fields attached to a mansion-house; the home farm.

noun

The farm attached to a mansion house; a manse.

noun

The source of electrical power in a building; the wiring system of a building.

noun

Plural form of main.

noun

The domestic electrical power supply.

noun

The pipes of a centralized water supply that transport the water to individual buildings.

noun

The farm attached to a mansion house.