"Łęczna" meaning in Polonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en polonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Polonais",
      "orig": "polonais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Polonais",
  "lang_code": "pl",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Localités de Pologne en allemand",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en polonais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Łęczna."
      ],
      "id": "fr-Łęczna-pl-name-4WSRargC",
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\wɛ̃nʧ̑na\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "Łęczna"
}

{
  "categories": [
    "Noms propres en polonais",
    "polonais"
  ],
  "lang": "Polonais",
  "lang_code": "pl",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        "Localités de Pologne en allemand",
        "Wiktionnaire:Exemples manquants en polonais"
      ],
      "glosses": [
        "Łęczna."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\wɛ̃nʧ̑na\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "Łęczna"
}