"grand campagnol" meaning in French

{
  "forms": [
    {
      "form": "grands campagnols",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "grand campagnol m (plural grands campagnols)",
      "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": "lifeform",
          "langcode": "fr",
          "name": "Cricetids",
          "orig": "fr:Cricetids",
          "parents": [
            "Rodents",
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "European water vole (Arvicola amphibius)"
      ],
      "id": "en-grand_campagnol-fr-noun-g2kIZQXo",
      "links": [
        [
          "European water vole",
          "European water vole"
        ],
        [
          "Arvicola amphibius",
          "Arvicola amphibius#Translingual"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "grand campagnol"
}

{
  "forms": [
    {
      "form": "grands campagnols",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "grand campagnol m (plural grands campagnols)",
      "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",
        "fr:Cricetids"
      ],
      "glosses": [
        "European water vole (Arvicola amphibius)"
      ],
      "links": [
        [
          "European water vole",
          "European water vole"
        ],
        [
          "Arvicola amphibius",
          "Arvicola amphibius#Translingual"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "grand campagnol"
}