"Ratatoskur" meaning in Icelandic

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "Ratatoskr"
      },
      "expansion": "Old Norse Ratatoskr",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Norse Ratatoskr. See Ratatoskr § Etymology on Wikipedia.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "proper noun",
        "g": "m"
      },
      "expansion": "Ratatoskur m",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "is",
          "name": "Norse mythology",
          "orig": "is:Norse mythology",
          "parents": [
            "Germanic mythology",
            "Mythology",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Ratatoskr (mythological squirrel)"
      ],
      "id": "en-Ratatoskur-is-name-yYa-aSJo",
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "Ratatoskr#Etymology",
        "is:Ratatoskur"
      ]
    }
  ],
  "word": "Ratatoskur"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "Ratatoskr"
      },
      "expansion": "Old Norse Ratatoskr",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Norse Ratatoskr. See Ratatoskr § Etymology on Wikipedia.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "proper noun",
        "g": "m"
      },
      "expansion": "Ratatoskur m",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
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        "Icelandic terms inherited from Old Norse",
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        "Pages with entries",
        "is:Norse mythology"
      ],
      "glosses": [
        "Ratatoskr (mythological squirrel)"
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "Ratatoskr#Etymology",
        "is:Ratatoskur"
      ]
    }
  ],
  "word": "Ratatoskur"
}