"fire main" meaning in English

{
  "forms": [
    {
      "form": "fire mains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "fire main (plural fire 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"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Firefighting",
          "orig": "en:Firefighting",
          "parents": [
            "Emergency services",
            "Fire",
            "Public safety",
            "Combustion",
            "Light sources",
            "Public administration",
            "Security",
            "Chemical processes",
            "Light",
            "Government",
            "Society",
            "Nature",
            "Energy",
            "Politics",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2017 December 12, National Transportation Safety Board, “2.4.2 Flooding”, in Marine Accident Report: Sinking of US Cargo Vessel SS El Faro, Atlantic Ocean, Northeast of Acklins and Crooked Island, Bahamas, October 1, 2015, archived from the original on 2022-05-15, page 190",
          "text": "Cars were first reported loose in hold 3 at 0544, at the same time the captain said it was unsafe to enter hold 3 due to \"gear adrift\" and \"a lot of water.\" The bilge pumps were already running. If cars were loose by that time, one or more of them could have hit the unprotected inlet piping section of the emergency fire pump, rupturing the piping or damaging the skin valve so that it could not stop seawater from entering the hold. At 0714, the VDR recorded the chief mate reporting that the chief engineer had said that something hit the fire main and \"got it ruptured, hard.\" (The entire fire system, including the emergency fire pump and piping, was known as the fire main.)",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A pipe conveying water to extinguish a fire."
      ],
      "id": "en-fire_main-en-noun-iEs3Ny6t",
      "links": [
        [
          "pipe",
          "pipe"
        ],
        [
          "convey",
          "convey"
        ],
        [
          "water",
          "water"
        ],
        [
          "extinguish",
          "extinguish"
        ],
        [
          "fire",
          "fire"
        ]
      ]
    }
  ],
  "word": "fire main"
}

{
  "forms": [
    {
      "form": "fire mains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "fire main (plural fire mains)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with quotations",
        "en:Firefighting"
      ],
      "examples": [
        {
          "ref": "2017 December 12, National Transportation Safety Board, “2.4.2 Flooding”, in Marine Accident Report: Sinking of US Cargo Vessel SS El Faro, Atlantic Ocean, Northeast of Acklins and Crooked Island, Bahamas, October 1, 2015, archived from the original on 2022-05-15, page 190",
          "text": "Cars were first reported loose in hold 3 at 0544, at the same time the captain said it was unsafe to enter hold 3 due to \"gear adrift\" and \"a lot of water.\" The bilge pumps were already running. If cars were loose by that time, one or more of them could have hit the unprotected inlet piping section of the emergency fire pump, rupturing the piping or damaging the skin valve so that it could not stop seawater from entering the hold. At 0714, the VDR recorded the chief mate reporting that the chief engineer had said that something hit the fire main and \"got it ruptured, hard.\" (The entire fire system, including the emergency fire pump and piping, was known as the fire main.)",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A pipe conveying water to extinguish a fire."
      ],
      "links": [
        [
          "pipe",
          "pipe"
        ],
        [
          "convey",
          "convey"
        ],
        [
          "water",
          "water"
        ],
        [
          "extinguish",
          "extinguish"
        ],
        [
          "fire",
          "fire"
        ]
      ]
    }
  ],
  "word": "fire main"
}