"mer Égéenne" meaning in French

{
  "forms": [
    {
      "form": "la mer Égéenne",
      "tags": [
        "canonical",
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "head": "la mer Égéenne"
      },
      "expansion": "la mer Égéenne f",
      "name": "fr-proper 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": "place",
          "langcode": "fr",
          "name": "Seas",
          "orig": "fr:Seas",
          "parents": [
            "Bodies of water",
            "Places",
            "Landforms",
            "Water",
            "Names",
            "Earth",
            "Liquids",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Nature",
            "Matter",
            "Fundamental",
            "Nouns",
            "Chemistry",
            "Lemmas",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of la mer Égée"
      ],
      "id": "en-mer_Égéenne-fr-noun-ja2ejddO",
      "links": [
        [
          "la mer Égée",
          "mer Égée#French"
        ]
      ],
      "raw_glosses": [
        "(rare) Synonym of la mer Égée"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "la mer Égée"
        }
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɛʁ e.ʒe.ɛn/"
    }
  ],
  "word": "mer Égéenne"
}

{
  "forms": [
    {
      "form": "la mer Égéenne",
      "tags": [
        "canonical",
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "head": "la mer Égéenne"
      },
      "expansion": "la mer Égéenne f",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French proper nouns",
        "French terms with IPA pronunciation",
        "French terms with rare senses",
        "fr:Seas"
      ],
      "glosses": [
        "Synonym of la mer Égée"
      ],
      "links": [
        [
          "la mer Égée",
          "mer Égée#French"
        ]
      ],
      "raw_glosses": [
        "(rare) Synonym of la mer Égée"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "la mer Égée"
        }
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɛʁ e.ʒe.ɛn/"
    }
  ],
  "word": "mer Égéenne"
}