"fleuve Bleu" meaning in French

{
  "head_templates": [
    {
      "args": {
        "1": "m",
        "head": "fleuve Bleu"
      },
      "expansion": "fleuve Bleu m",
      "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"
          ],
          "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": "Rivers in China",
          "orig": "fr:Rivers in China",
          "parents": [
            "Rivers",
            "Places",
            "Bodies of water",
            "Names",
            "Landforms",
            "Water",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Earth",
            "Liquids",
            "Fundamental",
            "Nouns",
            "Nature",
            "Matter",
            "Lemmas",
            "Chemistry",
            "Sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Blue River"
      ],
      "id": "en-fleuve_Bleu-fr-name-e4AhCt45",
      "links": [
        [
          "Blue River",
          "Blue River"
        ]
      ],
      "raw_glosses": [
        "(dated) Blue River"
      ],
      "synonyms": [
        {
          "word": "Yangtsé"
        },
        {
          "word": "Yangzi Jiang"
        }
      ],
      "tags": [
        "dated",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/flœv blø/"
    }
  ],
  "word": "fleuve Bleu"
}

{
  "head_templates": [
    {
      "args": {
        "1": "m",
        "head": "fleuve Bleu"
      },
      "expansion": "fleuve Bleu m",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "French dated terms",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French proper nouns",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Rivers in China"
      ],
      "glosses": [
        "Blue River"
      ],
      "links": [
        [
          "Blue River",
          "Blue River"
        ]
      ],
      "raw_glosses": [
        "(dated) Blue River"
      ],
      "synonyms": [
        {
          "word": "Yangtsé"
        },
        {
          "word": "Yangzi Jiang"
        }
      ],
      "tags": [
        "dated",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/flœv blø/"
    }
  ],
  "word": "fleuve Bleu"
}