"rumbus" meaning in Dutch

{
  "forms": [
    {
      "form": "rumbussen",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "rumbusje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "rumbusje"
      },
      "expansion": "rumbus m (plural rumbussen, diminutive rumbusje n)",
      "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": "lifeform",
          "langcode": "nl",
          "name": "Acipenseriform fish",
          "orig": "nl:Acipenseriform fish",
          "parents": [
            "Fish",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of steur"
      ],
      "id": "en-rumbus-nl-noun-UPwJcW-u",
      "links": [
        [
          "steur",
          "steur#Dutch"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Synonym of steur"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "steur"
        }
      ],
      "tags": [
        "masculine",
        "obsolete"
      ]
    }
  ],
  "word": "rumbus"
}

{
  "forms": [
    {
      "form": "rumbussen",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "rumbusje",
      "tags": [
        "diminutive",
        "neuter"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "-en",
        "3": "rumbusje"
      },
      "expansion": "rumbus m (plural rumbussen, diminutive rumbusje n)",
      "name": "nl-noun"
    }
  ],
  "lang": "Dutch",
  "lang_code": "nl",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Dutch entries with incorrect language header",
        "Dutch lemmas",
        "Dutch masculine nouns",
        "Dutch nouns",
        "Dutch nouns with plural in -en",
        "Dutch terms with obsolete senses",
        "nl:Acipenseriform fish"
      ],
      "glosses": [
        "Synonym of steur"
      ],
      "links": [
        [
          "steur",
          "steur#Dutch"
        ]
      ],
      "raw_glosses": [
        "(obsolete) Synonym of steur"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "steur"
        }
      ],
      "tags": [
        "masculine",
        "obsolete"
      ]
    }
  ],
  "word": "rumbus"
}