"wałek królewski" meaning in Pools

{
  "categories": [
    {
      "kind": "other",
      "name": "Woorden in het Pools",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Zelfstandig naamwoord in het Pools",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Pools",
  "lang_code": "pl",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Motortechniek_in_het_Pools",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        ": koningsas"
      ],
      "id": "nl-wałek_królewski-pl-noun-UA~27TCR",
      "raw_tags": [
        "motortechniek"
      ]
    }
  ],
  "word": "wałek królewski"
}

{
  "categories": [
    "Woorden in het Pools",
    "Zelfstandig naamwoord in het Pools"
  ],
  "lang": "Pools",
  "lang_code": "pl",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        "Motortechniek_in_het_Pools"
      ],
      "glosses": [
        ": koningsas"
      ],
      "raw_tags": [
        "motortechniek"
      ]
    }
  ],
  "word": "wałek królewski"
}