"joint line" meaning in English

{
  "forms": [
    {
      "form": "joint lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "joint line (plural joint lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              137,
              147
            ]
          ],
          "ref": "1959 April, “Motive Power Miscellany: London Midland Region”, in Trains Illustrated, page 221:",
          "text": "The engine was No. 60920, which was seen passing southbound through Preston and then at about 1.0 p.m. heading its train over the former joint line from Warrington via Helsby to the Chester district; [...]",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              80,
              90
            ]
          ],
          "ref": "1960 June 19, R. M. G. Baker, “The Metropolitan & Great Central Joint Line—1”, in Railway Magazine, page 390:",
          "text": "One feature of company organisation which nationalisation has swept away is the joint line—the railway owned by two or more companies, and worked by a separate management or maybe by one of the partners.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A railway that is or was owned and operated by more than one company."
      ],
      "id": "en-joint_line-en-noun-ZVj5JcIv",
      "links": [
        [
          "rail transport",
          "rail transport"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A railway that is or was owned and operated by more than one company."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "joint line"
}

{
  "forms": [
    {
      "form": "joint lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "joint line (plural joint lines)",
      "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",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Rail transportation"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              137,
              147
            ]
          ],
          "ref": "1959 April, “Motive Power Miscellany: London Midland Region”, in Trains Illustrated, page 221:",
          "text": "The engine was No. 60920, which was seen passing southbound through Preston and then at about 1.0 p.m. heading its train over the former joint line from Warrington via Helsby to the Chester district; [...]",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              80,
              90
            ]
          ],
          "ref": "1960 June 19, R. M. G. Baker, “The Metropolitan & Great Central Joint Line—1”, in Railway Magazine, page 390:",
          "text": "One feature of company organisation which nationalisation has swept away is the joint line—the railway owned by two or more companies, and worked by a separate management or maybe by one of the partners.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A railway that is or was owned and operated by more than one company."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ]
      ],
      "raw_glosses": [
        "(rail transport) A railway that is or was owned and operated by more than one company."
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "joint line"
}