D defs.my
Entry 2 senses · 2 variants Webster, 1913

mains

/(mānz)/ · IPA /meɪnz/
01 n. The farm attached to a mansion house; a manse.
  1. 1.
    The farm attached to a mansion house; a manse.[Scot. or Brit. dial.]
02 n. The source of electrical power in a building; the wiring system of a building.
  1. 1.
    The source of electrical power in a building; the wiring system of a building.(Electricity)