main

noun (PIPE)

/meɪn/

Definition

› [C] a large pipe that carries water or gas, or a wire carrying electricity, from one place to another, to which a house can be connected: a gas main The severe cold caused a water main to burst and flood the street.Plumbing and pipes and sewageElectrical components and circuitry mains [plural] UK › the system of pipes or wires that carry water or electricity into a house, or the pipes that carry sewage away from a house: The house isn't on the mains. They bought a house with no mains supply. mains electricityPlumbing and pipes and sewageElectrical components and circuitry the mains UK › the place at which outside pipes or wires carrying water, electricity, etc. connect with the system inside a house or building: Switch off the electricity at the mains before starting work.Plumbing and pipes and sewageElectrical components and circuitry

(Definition of main noun (PIPE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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