"bool" meaning in Dutch

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "la",
        "3": "bōlus"
      },
      "expansion": "Latin bōlus",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin bōlus.",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-",
        "3": "-"
      },
      "expansion": "bool m (uncountable)",
      "name": "nl-noun"
    }
  ],
  "hyphenation": [
    "bool"
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Dutch entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A type of fat clay."
      ],
      "id": "en-bool-nl-noun-~YKOYbh1",
      "links": [
        [
          "fat",
          "fat"
        ],
        [
          "clay",
          "clay"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A type of fat clay."
      ],
      "synonyms": [
        {
          "word": "bolus"
        }
      ],
      "tags": [
        "masculine",
        "obsolete",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/boːl/"
    },
    {
      "rhymes": "-oːl"
    }
  ],
  "word": "bool"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "nl",
        "2": "la",
        "3": "bōlus"
      },
      "expansion": "Latin bōlus",
      "name": "der"
    }
  ],
  "etymology_text": "From Latin bōlus.",
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-",
        "3": "-"
      },
      "expansion": "bool m (uncountable)",
      "name": "nl-noun"
    }
  ],
  "hyphenation": [
    "bool"
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch masculine nouns",
        "Dutch nouns",
        "Dutch terms derived from Latin",
        "Dutch terms with IPA pronunciation",
        "Dutch terms with obsolete senses",
        "Dutch uncountable nouns",
        "Rhymes:Dutch/oːl"
      ],
      "glosses": [
        "A type of fat clay."
      ],
      "links": [
        [
          "fat",
          "fat"
        ],
        [
          "clay",
          "clay"
        ]
      ],
      "raw_glosses": [
        "(obsolete) A type of fat clay."
      ],
      "synonyms": [
        {
          "word": "bolus"
        }
      ],
      "tags": [
        "masculine",
        "obsolete",
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/boːl/"
    },
    {
      "rhymes": "-oːl"
    }
  ],
  "word": "bool"
}