"élucubration" meaning in French

{
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "LL.",
        "3": "ēlūcubrātiō"
      },
      "expansion": "Learned borrowing from Late Latin ēlūcubrātiō",
      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from Late Latin ēlūcubrātiō, from ēlūcubrō.",
  "forms": [
    {
      "form": "élucubrations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "élucubration f (plural élucubrations)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "87 13",
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "83 17",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "87 13",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1949, Simone de Beauvoir, Le Deuxième Sexe:",
          "text": "Insultée, ridiculisée, elle dut s’enfermer dans ses domaines; et malgré un tempérament généreux, devenue à moitié folle, elle ne produisit plus que d’extravagantes élucubrations.",
          "type": "quote"
        }
      ],
      "glosses": [
        "lucubration, elucubration (results of intense study with little value; used ironically)"
      ],
      "id": "en-élucubration-fr-noun-UaeyAMMt",
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "lucubration",
          "lucubration"
        ],
        [
          "elucubration",
          "elucubration"
        ]
      ],
      "raw_glosses": [
        "(derogatory) lucubration, elucubration (results of intense study with little value; used ironically)"
      ],
      "tags": [
        "derogatory",
        "feminine"
      ]
    },
    {
      "glosses": [
        "ranting"
      ],
      "id": "en-élucubration-fr-noun-AoQ8nb7x",
      "links": [
        [
          "ranting",
          "ranting"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/e.ly.ky.bʁa.sjɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-WikiLucas00-élucubration.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b6/LL-Q150_%28fra%29-WikiLucas00-%C3%A9lucubration.wav/LL-Q150_%28fra%29-WikiLucas00-%C3%A9lucubration.wav.mp3",
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    }
  ],
  "word": "élucubration"
}

{
  "categories": [
    "French 5-syllable words",
    "French countable nouns",
    "French entries with incorrect language header",
    "French feminine nouns",
    "French learned borrowings from Late Latin",
    "French lemmas",
    "French nouns",
    "French terms borrowed from Late Latin",
    "French terms derived from Late Latin",
    "French terms with IPA pronunciation",
    "Pages with 1 entry",
    "Pages with entries"
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  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "LL.",
        "3": "ēlūcubrātiō"
      },
      "expansion": "Learned borrowing from Late Latin ēlūcubrātiō",
      "name": "lbor"
    }
  ],
  "etymology_text": "Learned borrowing from Late Latin ēlūcubrātiō, from ēlūcubrō.",
  "forms": [
    {
      "form": "élucubrations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "élucubration f (plural élucubrations)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French derogatory terms",
        "French terms with quotations",
        "Requests for translations of French quotations"
      ],
      "examples": [
        {
          "ref": "1949, Simone de Beauvoir, Le Deuxième Sexe:",
          "text": "Insultée, ridiculisée, elle dut s’enfermer dans ses domaines; et malgré un tempérament généreux, devenue à moitié folle, elle ne produisit plus que d’extravagantes élucubrations.",
          "type": "quote"
        }
      ],
      "glosses": [
        "lucubration, elucubration (results of intense study with little value; used ironically)"
      ],
      "links": [
        [
          "derogatory",
          "derogatory"
        ],
        [
          "lucubration",
          "lucubration"
        ],
        [
          "elucubration",
          "elucubration"
        ]
      ],
      "raw_glosses": [
        "(derogatory) lucubration, elucubration (results of intense study with little value; used ironically)"
      ],
      "tags": [
        "derogatory",
        "feminine"
      ]
    },
    {
      "glosses": [
        "ranting"
      ],
      "links": [
        [
          "ranting",
          "ranting"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/e.ly.ky.bʁa.sjɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-WikiLucas00-élucubration.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b6/LL-Q150_%28fra%29-WikiLucas00-%C3%A9lucubration.wav/LL-Q150_%28fra%29-WikiLucas00-%C3%A9lucubration.wav.mp3",
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    }
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  "word": "élucubration"
}