"gas main" meaning in English

{
  "forms": [
    {
      "form": "gas mains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gas main (plural gas mains)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1961 January, “Talking of Trains: The Severn Bridge disaster”, in Trains Illustrated, page 5",
          "text": "This imposing structure, which not only carries the single track branch line but also the gas main supplying the Forest of Dean area, cost £200,000 when it was built in 1879, and at its highest point is 70ft above the high-water mark.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The conduit through which coal gas or natural gas is conveyed to users."
      ],
      "id": "en-gas_main-en-noun-59gOXWyy",
      "links": [
        [
          "coal gas",
          "coal gas"
        ],
        [
          "natural gas",
          "natural gas"
        ]
      ],
      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "gazoprovod",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "газопровод"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "pääkaasuputki"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "kaasuputki"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "Hauptgasleitung"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "gazociąg"
        }
      ]
    }
  ],
  "word": "gas main"
}

{
  "forms": [
    {
      "form": "gas mains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gas main (plural gas mains)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "ref": "1961 January, “Talking of Trains: The Severn Bridge disaster”, in Trains Illustrated, page 5",
          "text": "This imposing structure, which not only carries the single track branch line but also the gas main supplying the Forest of Dean area, cost £200,000 when it was built in 1879, and at its highest point is 70ft above the high-water mark.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The conduit through which coal gas or natural gas is conveyed to users."
      ],
      "links": [
        [
          "coal gas",
          "coal gas"
        ],
        [
          "natural gas",
          "natural gas"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "gazoprovod",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "газопровод"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "pääkaasuputki"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "kaasuputki"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "Hauptgasleitung"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "gazociąg"
    }
  ],
  "word": "gas main"
}