"finistérien" meaning in French

{
  "forms": [
    {
      "form": "finistérienne",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "finistériens",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "finistériennes",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "finistérien (feminine finistérienne, masculine plural finistériens, feminine plural finistériennes)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "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": "place",
          "langcode": "fr",
          "name": "Brittany",
          "orig": "fr:Brittany",
          "parents": [
            "France",
            "Europe",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "of Finistère (the westernmost department in Brittany)"
      ],
      "id": "en-finistérien-fr-adj-uXtgDqZ~",
      "links": [
        [
          "Finistère",
          "Finistère"
        ],
        [
          "Brittany",
          "Brittany"
        ]
      ],
      "raw_glosses": [
        "(relational) of Finistère (the westernmost department in Brittany)"
      ],
      "tags": [
        "relational"
      ]
    }
  ],
  "word": "finistérien"
}

{
  "forms": [
    {
      "form": "finistérienne",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "finistériens",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "finistériennes",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "finistérien (feminine finistérienne, masculine plural finistériens, feminine plural finistériennes)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "French adjectives",
        "French entries with incorrect language header",
        "French lemmas",
        "French relational adjectives",
        "Pages with 1 entry",
        "fr:Brittany"
      ],
      "glosses": [
        "of Finistère (the westernmost department in Brittany)"
      ],
      "links": [
        [
          "Finistère",
          "Finistère"
        ],
        [
          "Brittany",
          "Brittany"
        ]
      ],
      "raw_glosses": [
        "(relational) of Finistère (the westernmost department in Brittany)"
      ],
      "tags": [
        "relational"
      ]
    }
  ],
  "word": "finistérien"
}