"grand livre" meaning in French

{
  "forms": [
    {
      "form": "grands livres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "grand livre m (plural grands livres)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Accounting",
          "orig": "fr:Accounting",
          "parents": [
            "Finance",
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: livre-journal"
        }
      ],
      "glosses": [
        "ledger"
      ],
      "id": "en-grand_livre-fr-noun-~hQBC0~o",
      "links": [
        [
          "accounting",
          "accounting#Noun"
        ],
        [
          "ledger",
          "ledger"
        ]
      ],
      "raw_glosses": [
        "(accounting) ledger"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "accounting",
        "business",
        "finance"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡʁɑ̃ livʁ/"
    }
  ],
  "word": "grand livre"
}

{
  "forms": [
    {
      "form": "grands livres",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "grand livre m (plural grands livres)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms with IPA pronunciation",
        "fr:Accounting"
      ],
      "examples": [
        {
          "text": "Coordinate term: livre-journal"
        }
      ],
      "glosses": [
        "ledger"
      ],
      "links": [
        [
          "accounting",
          "accounting#Noun"
        ],
        [
          "ledger",
          "ledger"
        ]
      ],
      "raw_glosses": [
        "(accounting) ledger"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "accounting",
        "business",
        "finance"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡʁɑ̃ livʁ/"
    }
  ],
  "word": "grand livre"
}