"ADIF" meaning in Spanish

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "Administrador de Infraestructuras Ferroviarias"
      },
      "expansion": "Initialism of Administrador de Infraestructuras Ferroviarias",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of Administrador de Infraestructuras Ferroviarias.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "proper noun",
        "g": "m"
      },
      "expansion": "ADIF m",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a state-owned company that is responsible for the upkeep of most of Spain's rail network"
      ],
      "id": "en-ADIF-es-name-WM9ciGqr",
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "ADIF"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "es",
        "2": "Administrador de Infraestructuras Ferroviarias"
      },
      "expansion": "Initialism of Administrador de Infraestructuras Ferroviarias",
      "name": "initialism"
    }
  ],
  "etymology_text": "Initialism of Administrador de Infraestructuras Ferroviarias.",
  "head_templates": [
    {
      "args": {
        "1": "es",
        "2": "proper noun",
        "g": "m"
      },
      "expansion": "ADIF m",
      "name": "head"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish entries with incorrect language header",
        "Spanish initialisms",
        "Spanish lemmas",
        "Spanish masculine nouns",
        "Spanish proper nouns"
      ],
      "glosses": [
        "a state-owned company that is responsible for the upkeep of most of Spain's rail network"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "ADIF"
}