"plataforma continental" meaning in Portuguese

{
  "forms": [
    {
      "form": "plataformas continentais",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "plataforma continental f (plural plataformas continentais)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "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": "topical",
          "langcode": "pt",
          "name": "Nautical",
          "orig": "pt:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "continental shelf (underwater landmass that extends from a continent)"
      ],
      "id": "en-plataforma_continental-pt-noun-51L29pCz",
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "continental shelf",
          "continental shelf"
        ]
      ],
      "raw_glosses": [
        "(nautical) continental shelf (underwater landmass that extends from a continent)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "plataforma continental"
}

{
  "forms": [
    {
      "form": "plataformas continentais",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "plataforma continental f (plural plataformas continentais)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 3 entries",
        "Pages with entries",
        "Portuguese countable nouns",
        "Portuguese entries with incorrect language header",
        "Portuguese feminine nouns",
        "Portuguese lemmas",
        "Portuguese multiword terms",
        "Portuguese nouns",
        "pt:Nautical"
      ],
      "glosses": [
        "continental shelf (underwater landmass that extends from a continent)"
      ],
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "continental shelf",
          "continental shelf"
        ]
      ],
      "raw_glosses": [
        "(nautical) continental shelf (underwater landmass that extends from a continent)"
      ],
      "tags": [
        "feminine"
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "plataforma continental"
}