"speelvogeltje" meaning in Dutch

{
  "forms": [
    {
      "form": "speelvogeltjes",
      "tags": [
        "plural"
      ]
    }
  ],
  "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "speelvogel"
        }
      ],
      "glosses": [
        "diminutive of speelvogel"
      ],
      "id": "en-speelvogeltje-nl-noun-02P0NKgU",
      "links": [
        [
          "speelvogel",
          "speelvogel#Dutch"
        ]
      ],
      "tags": [
        "diminutive",
        "form-of",
        "neuter"
      ]
    }
  ],
  "word": "speelvogeltje"
}

{
  "forms": [
    {
      "form": "speelvogeltjes",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Dutch diminutive nouns",
        "Dutch entries with incorrect language header",
        "Dutch non-lemma forms",
        "Dutch nouns with plural in -s",
        "Pages with 1 entry"
      ],
      "form_of": [
        {
          "word": "speelvogel"
        }
      ],
      "glosses": [
        "diminutive of speelvogel"
      ],
      "links": [
        [
          "speelvogel",
          "speelvogel#Dutch"
        ]
      ],
      "tags": [
        "diminutive",
        "form-of",
        "neuter"
      ]
    }
  ],
  "word": "speelvogeltje"
}