"millennium" meaning in Pools

{
  "categories": [
    {
      "kind": "other",
      "name": "WikiWoordenboek:Wikilink",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Woorden in het Pools",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Zelfstandig naamwoord in het Pools",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "milenium"
    }
  ],
  "lang": "Pools",
  "lang_code": "pl",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Eenheid_in_het_Pools",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Tijdrekening_in_het_Pools",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "millennium; een periode van 1000 jaar"
      ],
      "id": "nl-millennium-pl-noun-WbRCFTkH",
      "raw_tags": [
        "tijdrekening"
      ],
      "topics": [
        "units-of-measure"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "tysiąclecie"
    }
  ],
  "word": "millennium"
}

{
  "categories": [
    "WikiWoordenboek:Wikilink",
    "Woorden in het Pools",
    "Zelfstandig naamwoord in het Pools"
  ],
  "forms": [
    {
      "form": "milenium"
    }
  ],
  "lang": "Pools",
  "lang_code": "pl",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        "Eenheid_in_het_Pools",
        "Tijdrekening_in_het_Pools"
      ],
      "glosses": [
        "millennium; een periode van 1000 jaar"
      ],
      "raw_tags": [
        "tijdrekening"
      ],
      "topics": [
        "units-of-measure"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "tysiąclecie"
    }
  ],
  "word": "millennium"
}