"Siamese tweeling" meaning in Dutch

{
  "etymology_text": "Probably calqued. After the stage name of Chang and Eng Bunker, the \"Siamese twins\".",
  "forms": [
    {
      "form": "Siamese tweelingen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "-"
      },
      "expansion": "Siamese tweeling m (plural Siamese tweelingen)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "a Siamese twin, a conjoined twin"
      ],
      "id": "en-Siamese_tweeling-nl-noun-0e9pAstx",
      "links": [
        [
          "Siamese twin",
          "Siamese twin"
        ],
        [
          "conjoined twin",
          "conjoined twin"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "Chang and Eng Bunker"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/si.aːˌmeː.sə ˈtʋeː.lɪŋ/"
    }
  ],
  "word": "Siamese tweeling"
}

{
  "etymology_text": "Probably calqued. After the stage name of Chang and Eng Bunker, the \"Siamese twins\".",
  "forms": [
    {
      "form": "Siamese tweelingen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "-"
      },
      "expansion": "Siamese tweeling m (plural Siamese tweelingen)",
      "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",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "a Siamese twin, a conjoined twin"
      ],
      "links": [
        [
          "Siamese twin",
          "Siamese twin"
        ],
        [
          "conjoined twin",
          "conjoined twin"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "Chang and Eng Bunker"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/si.aːˌmeː.sə ˈtʋeː.lɪŋ/"
    }
  ],
  "word": "Siamese tweeling"
}