Standard Lemma guide

mains

noun · verb · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /meɪnz/
  • rhymes with -eɪnz
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: M EY1 N Z Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

plural of main

Definition source: English Wiktionary via Wiktextract

Usage: form-of, plural

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The domestic electrical power supply, especially as connected to a network or grid.

Definition source: English Wiktionary via Wiktextract

Usage: UK, uncountable

Examples

  • I plugged it into the mains and it blew up!
  • We don't have mains power out here, only a generator.
  • mains electricity, mains voltage

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A large-scale network or grid supplying any of various other services, such as water, gas or sewerage, to properties.

Definition source: English Wiktionary via Wiktextract

Usage: UK, uncountable

Examples

  • We have gas heating, but it's bottled gas, not mains gas.
  • The properties formerly relied on a well, but are now connected to the mains water supply.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

The main course of a meal.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

The farm attached to a mansion house.

Definition source: English Wiktionary via Wiktextract

Usage: Scotland

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: home farm

Antonyms: none provided

6

verb

Meaning 6

third-person singular simple present indicative of main

Definition source: English Wiktionary via Wiktextract

Usage: form-of, indicative, present, singular, third-person

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Related to manse.

Across languages

Translations

9 source translations are retained for this English entry.

  • Finnish: verkko — domestic electrical supply
  • Finnish: sähköt — domestic electrical supply
  • Finnish: seinä — domestic electrical supply
  • German: Stromnetz — domestic electrical supply
  • Hungarian: hálózat — domestic electrical supply
  • Hungarian: hálózati áram — domestic electrical supply
  • Polish: sieć — domestic electrical supply
  • Finnish: vesijohtoverkko — pipes of a centralized water supply
  • Finnish: vesijohdot — pipes of a centralized water supply
Real reading context

mains in complete knowledge articles