"segundo grau" meaning in Portuguese

{
  "etymology_text": "Literally \"second degree\".",
  "forms": [
    {
      "form": "segundos graus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "segundo grau m (plural segundos graus)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Brazilian Portuguese",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "pt",
          "name": "Education",
          "orig": "pt:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "89 11",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "91 9",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "92 8",
          "kind": "other",
          "name": "Portuguese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "the education stage equivalent to high school"
      ],
      "id": "en-segundo_grau-pt-noun-8PzWh8o0",
      "links": [
        [
          "education",
          "education"
        ],
        [
          "high school",
          "high school"
        ]
      ],
      "raw_glosses": [
        "(Brazil, education, dated) the education stage equivalent to high school"
      ],
      "synonyms": [
        {
          "word": "ensino médio"
        }
      ],
      "tags": [
        "Brazil",
        "dated",
        "masculine"
      ],
      "topics": [
        "education"
      ]
    },
    {
      "coordinate_terms": [
        {
          "_dis1": "0 100",
          "word": "primeiro grau"
        },
        {
          "_dis1": "0 100",
          "word": "terceiro grau"
        }
      ],
      "glosses": [
        "Used other than figuratively or idiomatically: see segundo, grau."
      ],
      "id": "en-segundo_grau-pt-noun-Dx4Bv2fJ",
      "links": [
        [
          "segundo",
          "segundo#Portuguese"
        ],
        [
          "grau",
          "grau#Portuguese"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "segundo grau"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Portuguese countable nouns",
    "Portuguese entries with incorrect language header",
    "Portuguese lemmas",
    "Portuguese masculine nouns",
    "Portuguese multiword terms",
    "Portuguese nouns",
    "Portuguese nouns with red links in their headword lines"
  ],
  "coordinate_terms": [
    {
      "word": "primeiro grau"
    },
    {
      "word": "terceiro grau"
    }
  ],
  "etymology_text": "Literally \"second degree\".",
  "forms": [
    {
      "form": "segundos graus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "segundo grau m (plural segundos graus)",
      "name": "pt-noun"
    }
  ],
  "lang": "Portuguese",
  "lang_code": "pt",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Brazilian Portuguese",
        "Portuguese dated terms",
        "pt:Education"
      ],
      "glosses": [
        "the education stage equivalent to high school"
      ],
      "links": [
        [
          "education",
          "education"
        ],
        [
          "high school",
          "high school"
        ]
      ],
      "raw_glosses": [
        "(Brazil, education, dated) the education stage equivalent to high school"
      ],
      "synonyms": [
        {
          "word": "ensino médio"
        }
      ],
      "tags": [
        "Brazil",
        "dated",
        "masculine"
      ],
      "topics": [
        "education"
      ]
    },
    {
      "glosses": [
        "Used other than figuratively or idiomatically: see segundo, grau."
      ],
      "links": [
        [
          "segundo",
          "segundo#Portuguese"
        ],
        [
          "grau",
          "grau#Portuguese"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "segundo grau"
}