"estrada-de-ferro" meaning in Portuguese

{
  "forms": [
    {
      "form": "estradas-de-ferro",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "++"
      },
      "expansion": "estrada-de-ferro f (plural estradas-de-ferro)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese forms superseded by AO1990",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Portuguese nouns with irregular gender",
          "parents": [
            "Nouns with irregular gender",
            "Irregular nouns",
            "Nouns by inflection type",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Pre-reform spelling (used until 1990) of estrada de ferro. Still used in countries where the agreement hasn't come into effect; may occur as a sporadic misspelling."
      ],
      "id": "en-estrada-de-ferro-pt-noun-aj6NeWdB",
      "links": [
        [
          "estrada de ferro",
          "estrada de ferro#Portuguese"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "estrada-de-ferro"
}

{
  "forms": [
    {
      "form": "estradas-de-ferro",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "2": "++"
      },
      "expansion": "estrada-de-ferro f (plural estradas-de-ferro)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine nouns",
        "Portuguese forms superseded by AO1990",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "Portuguese nouns with irregular gender"
      ],
      "glosses": [
        "Pre-reform spelling (used until 1990) of estrada de ferro. Still used in countries where the agreement hasn't come into effect; may occur as a sporadic misspelling."
      ],
      "links": [
        [
          "estrada de ferro",
          "estrada de ferro#Portuguese"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "estrada-de-ferro"
}