"national grid" meaning in English

{
  "forms": [
    {
      "form": "national grids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "national grid (plural national grids)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Electricity",
          "orig": "en:Electricity",
          "parents": [
            "Electromagnetism",
            "Physics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2013 July 20, “Out of the gloom”, in The Economist, volume 408, number 8845:",
          "text": "[Rural solar plant] schemes are of little help to industry or other heavy users of electricity. Nor is solar power yet as cheap as the grid. For all that, the rapid arrival of electric light to Indian villages is long overdue. When the national grid suffers its next huge outage, as it did in July 2012 when hundreds of millions were left in the dark, look for specks of light in the villages.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An electricity transmission network servicing a whole country."
      ],
      "id": "en-national_grid-en-noun-MEoP1X2Z",
      "links": [
        [
          "electricity",
          "electricity"
        ],
        [
          "transmission",
          "transmission"
        ],
        [
          "network",
          "network"
        ],
        [
          "country",
          "country"
        ]
      ],
      "related": [
        {
          "word": "power grid"
        }
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "network",
          "word": "valtakunnanverkko"
        }
      ],
      "wikipedia": [
        "national grid"
      ]
    }
  ],
  "word": "national grid"
}

{
  "forms": [
    {
      "form": "national grids",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "national grid (plural national grids)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "power grid"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "en:Electricity"
      ],
      "examples": [
        {
          "ref": "2013 July 20, “Out of the gloom”, in The Economist, volume 408, number 8845:",
          "text": "[Rural solar plant] schemes are of little help to industry or other heavy users of electricity. Nor is solar power yet as cheap as the grid. For all that, the rapid arrival of electric light to Indian villages is long overdue. When the national grid suffers its next huge outage, as it did in July 2012 when hundreds of millions were left in the dark, look for specks of light in the villages.",
          "type": "quote"
        }
      ],
      "glosses": [
        "An electricity transmission network servicing a whole country."
      ],
      "links": [
        [
          "electricity",
          "electricity"
        ],
        [
          "transmission",
          "transmission"
        ],
        [
          "network",
          "network"
        ],
        [
          "country",
          "country"
        ]
      ],
      "wikipedia": [
        "national grid"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "network",
      "word": "valtakunnanverkko"
    }
  ],
  "word": "national grid"
}