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REFERENCE

main

n. countable
A1 Beginner Oxford US //ˈmeɪn// UK //mˈeɪn// main Archaic Dialect General-service Informal Literary Slang

n. the largest or most important pipe in a system that carries water, gas, or electricity to a building. If it breaks, the whole house or street might lose its supply.

n. the principal pipe or conduit in a system for conveying water, gas, or electricity to a series of buildings or throughout a specific structure.


SIMPLE

The water main burst and flooded the entire street.

CONTEXTUAL

Construction workers accidentally hit a gas main while digging the foundation for the new apartment complex.

COMPLEX

Engineers recommended replacing the Victorian-era water mains with modern materials to prevent the frequent pressure drops that have plagued the downtown district for years.

Synonyms
Antonyms
Etymology 1

From Latin Moenis.

Etymology 2

From an Mhaing, possibly from Old Irish mang (“fawn”), which is said to be related to Proto-Celtic makʷos (“son”); also compare Proto-Germanic maguz.

Etymology 3

* As a Scottish surname, reduced from the North Germanic name Magnus. Also from the adjective main. As a Scottish, English, French and Norman surname, from personal names derived from Proto-West Germanic magan (“to be able”), similar to Mein. * As a Scottish, English and Norman surname, from the French province of Maine. Compare Mansell. * As a Scottish, English, and Norman surname, from the Anglo-Norman adjective maine (“great, large”), from Old French magne. * As a Scottish, English, Norman and French surname, from the noun main (“hand”).

Etymology 4

From main.

Usage

Often used in the plural ('the mains') when referring to the general supply system of a house.

Idioms3 entries

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