"mer du Japon" meaning in French

{
  "head_templates": [
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      "args": {
        "1": "f"
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      "expansion": "mer du Japon f",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "fr",
          "name": "Japan",
          "orig": "fr:Japan",
          "parents": [
            "Asia",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "fr",
          "name": "North Korea",
          "orig": "fr:North Korea",
          "parents": [
            "Asia",
            "Korea",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "fr",
          "name": "Russia",
          "orig": "fr:Russia",
          "parents": [
            "Asia",
            "Europe",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "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"
        },
        {
          "kind": "place",
          "langcode": "fr",
          "name": "South Korea",
          "orig": "fr:South Korea",
          "parents": [
            "Asia",
            "Korea",
            "Earth",
            "Eurasia",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Sea of Japan"
      ],
      "id": "en-mer_du_Japon-fr-name-aVt20Lhl",
      "links": [
        [
          "Sea of Japan",
          "Sea of Japan"
        ]
      ],
      "synonyms": [
        {
          "word": "mer de l'Est"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɛʁ dy ʒa.pɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-DenisdeShawi-mer du Japon.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/66/LL-Q150_%28fra%29-DenisdeShawi-mer_du_Japon.wav/LL-Q150_%28fra%29-DenisdeShawi-mer_du_Japon.wav.mp3",
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    }
  ],
  "word": "mer du Japon"
}

{
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "mer du Japon f",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French proper nouns",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Japan",
        "fr:North Korea",
        "fr:Russia",
        "fr:Seas",
        "fr:South Korea"
      ],
      "glosses": [
        "Sea of Japan"
      ],
      "links": [
        [
          "Sea of Japan",
          "Sea of Japan"
        ]
      ],
      "synonyms": [
        {
          "word": "mer de l'Est"
        }
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɛʁ dy ʒa.pɔ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-DenisdeShawi-mer du Japon.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/66/LL-Q150_%28fra%29-DenisdeShawi-mer_du_Japon.wav/LL-Q150_%28fra%29-DenisdeShawi-mer_du_Japon.wav.mp3",
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    }
  ],
  "word": "mer du Japon"
}