"Bièvre" meaning in French

{
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "Bièvre 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": "place",
          "langcode": "fr",
          "name": "Places in France",
          "orig": "fr:Places in France",
          "parents": [
            "Places",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "fr",
          "name": "Rivers in France",
          "orig": "fr:Rivers in France",
          "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": [
        "Bièvre (a river in France)"
      ],
      "id": "en-Bièvre-fr-name-FTw2-510",
      "links": [
        [
          "Bièvre",
          "Bièvre#English"
        ],
        [
          "France",
          "France#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/bjɛvʁ/"
    }
  ],
  "word": "Bièvre"
}

{
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "Bièvre m",
      "name": "fr-proper noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "French 1-syllable words",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French proper nouns",
        "French terms with IPA pronunciation",
        "fr:Places in France",
        "fr:Rivers in France"
      ],
      "glosses": [
        "Bièvre (a river in France)"
      ],
      "links": [
        [
          "Bièvre",
          "Bièvre#English"
        ],
        [
          "France",
          "France#English"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/bjɛvʁ/"
    }
  ],
  "word": "Bièvre"
}