"overhead line" meaning in English

{
  "forms": [
    {
      "form": "overhead lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "overhead line (plural overhead 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"
        }
      ],
      "glosses": [
        "A wire or cable, suspended between poles or by a catenary, used to provide trains, trams or trolley buses with electricity."
      ],
      "id": "en-overhead_line-en-noun-p-nwd7kY",
      "links": [
        [
          "wire",
          "wire"
        ],
        [
          "cable",
          "cable"
        ],
        [
          "catenary",
          "catenary"
        ],
        [
          "train",
          "train"
        ],
        [
          "tram",
          "tram"
        ],
        [
          "trolley bus",
          "trolley bus"
        ],
        [
          "electricity",
          "electricity"
        ]
      ],
      "related": [
        {
          "word": "power line"
        },
        {
          "word": "transmission line"
        }
      ]
    }
  ],
  "word": "overhead line"
}

{
  "forms": [
    {
      "form": "overhead lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "overhead line (plural overhead lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "power line"
    },
    {
      "word": "transmission line"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Rail transportation"
      ],
      "glosses": [
        "A wire or cable, suspended between poles or by a catenary, used to provide trains, trams or trolley buses with electricity."
      ],
      "links": [
        [
          "wire",
          "wire"
        ],
        [
          "cable",
          "cable"
        ],
        [
          "catenary",
          "catenary"
        ],
        [
          "train",
          "train"
        ],
        [
          "tram",
          "tram"
        ],
        [
          "trolley bus",
          "trolley bus"
        ],
        [
          "electricity",
          "electricity"
        ]
      ]
    }
  ],
  "word": "overhead line"
}