"slapende vulkaan" meaning in Dutch

{
  "forms": [
    {
      "form": "slapende vulkanen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "-"
      },
      "expansion": "slapende vulkaan m (plural slapende vulkanen)",
      "name": "nl-noun"
    }
  ],
  "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": [
        "dormant volcano"
      ],
      "id": "en-slapende_vulkaan-nl-noun-Xj9uRWHK",
      "links": [
        [
          "dormant volcano",
          "dormant volcano"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "slapende vulkaan"
}

{
  "forms": [
    {
      "form": "slapende vulkanen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "-"
      },
      "expansion": "slapende vulkaan m (plural slapende vulkanen)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch masculine nouns",
        "Dutch multiword terms",
        "Dutch nouns",
        "Dutch nouns with plural in -en"
      ],
      "glosses": [
        "dormant volcano"
      ],
      "links": [
        [
          "dormant volcano",
          "dormant volcano"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "slapende vulkaan"
}