"Nancéienne" meaning in French

{
  "forms": [
    {
      "form": "Nancéiennes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "Nancéienne f (plural Nancéiennes)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French 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"
        },
        {
          "kind": "place",
          "langcode": "fr",
          "name": "Grand Est",
          "orig": "fr:Grand Est",
          "parents": [
            "France",
            "Europe",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "Nancéien"
        }
      ],
      "glosses": [
        "female equivalent of Nancéien"
      ],
      "id": "en-Nancéienne-fr-noun-ZAC5ijrl",
      "links": [
        [
          "Nancéien",
          "Nancéien#French"
        ]
      ],
      "tags": [
        "feminine",
        "form-of"
      ]
    }
  ],
  "word": "Nancéienne"
}

{
  "forms": [
    {
      "form": "Nancéiennes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "Nancéienne f (plural Nancéiennes)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French female equivalent nouns",
        "French feminine nouns",
        "French lemmas",
        "French nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Grand Est"
      ],
      "form_of": [
        {
          "word": "Nancéien"
        }
      ],
      "glosses": [
        "female equivalent of Nancéien"
      ],
      "links": [
        [
          "Nancéien",
          "Nancéien#French"
        ]
      ],
      "tags": [
        "feminine",
        "form-of"
      ]
    }
  ],
  "word": "Nancéienne"
}