"d" meaning in French

{
  "forms": [
    {
      "form": "D",
      "tags": [
        "uppercase"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "10": "",
        "2": "letter",
        "3": "lower case",
        "4": "",
        "5": "upper case",
        "6": "D",
        "7": "",
        "8": "d",
        "9": "",
        "sc": ""
      },
      "expansion": "d (lower case, upper case D)",
      "name": "head"
    },
    {
      "args": {
        "lower": "d",
        "upper": "D"
      },
      "expansion": "d (lower case, upper case D)",
      "name": "fr-letter"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "character",
  "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 62 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "[S]carce had the little birds shaded of a thousand colours hailed from the harps of their tongues, in a soft and mellifluous harmony, the coming of the pink-tinted dawn, ... when the famous knight Don Quixote of La Mancha ... took his route across the ancient and famous Campo de Montiel.",
          "ref": "1837, Louis Viardot, L’Ingénieux Hidalgo Don Quichotte de la Manche^(fr.Wikisource), translation of El ingenioso hidalgo Don Quijote de la Mancha by Miguel de Cervantes Saavedra, Volume I, Chapter II:",
          "text": "[À] peine les petits oiseaux nuancés de mille couleurs avaient-ils salué des harpes de leurs langues, dans une douce et mielleuse harmonie, la venue de l’aurore au teint de rose, ... que le fameux chevalier don Quichotte de la Manche ... prit sa route à travers l’antique et célèbre plaine de Montiel.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The fourth letter of the French alphabet, written in the Latin script."
      ],
      "id": "en-d-fr-character-3YH8-OFS",
      "links": [
        [
          "letter",
          "letter"
        ],
        [
          "alphabet",
          "alphabet"
        ]
      ],
      "tags": [
        "letter",
        "lowercase"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/de/"
    },
    {
      "audio": "LL-Q150 (fra)-Jules78120-d.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0b/LL-Q150_%28fra%29-Jules78120-d.wav/LL-Q150_%28fra%29-Jules78120-d.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0b/LL-Q150_%28fra%29-Jules78120-d.wav/LL-Q150_%28fra%29-Jules78120-d.wav.ogg"
    }
  ],
  "word": "d"
}

{
  "forms": [
    {
      "form": "D",
      "tags": [
        "uppercase"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "fr",
        "10": "",
        "2": "letter",
        "3": "lower case",
        "4": "",
        "5": "upper case",
        "6": "D",
        "7": "",
        "8": "d",
        "9": "",
        "sc": ""
      },
      "expansion": "d (lower case, upper case D)",
      "name": "head"
    },
    {
      "args": {
        "lower": "d",
        "upper": "D"
      },
      "expansion": "d (lower case, upper case D)",
      "name": "fr-letter"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "character",
  "senses": [
    {
      "categories": [
        "French 1-syllable words",
        "French entries with incorrect language header",
        "French lemmas",
        "French letters",
        "French terms with IPA pronunciation",
        "French terms with quotations",
        "Pages with 62 entries",
        "Pages with entries",
        "Pages with raw sortkeys"
      ],
      "examples": [
        {
          "english": "[S]carce had the little birds shaded of a thousand colours hailed from the harps of their tongues, in a soft and mellifluous harmony, the coming of the pink-tinted dawn, ... when the famous knight Don Quixote of La Mancha ... took his route across the ancient and famous Campo de Montiel.",
          "ref": "1837, Louis Viardot, L’Ingénieux Hidalgo Don Quichotte de la Manche^(fr.Wikisource), translation of El ingenioso hidalgo Don Quijote de la Mancha by Miguel de Cervantes Saavedra, Volume I, Chapter II:",
          "text": "[À] peine les petits oiseaux nuancés de mille couleurs avaient-ils salué des harpes de leurs langues, dans une douce et mielleuse harmonie, la venue de l’aurore au teint de rose, ... que le fameux chevalier don Quichotte de la Manche ... prit sa route à travers l’antique et célèbre plaine de Montiel.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The fourth letter of the French alphabet, written in the Latin script."
      ],
      "links": [
        [
          "letter",
          "letter"
        ],
        [
          "alphabet",
          "alphabet"
        ]
      ],
      "tags": [
        "letter",
        "lowercase"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/de/"
    },
    {
      "audio": "LL-Q150 (fra)-Jules78120-d.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0b/LL-Q150_%28fra%29-Jules78120-d.wav/LL-Q150_%28fra%29-Jules78120-d.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0b/LL-Q150_%28fra%29-Jules78120-d.wav/LL-Q150_%28fra%29-Jules78120-d.wav.ogg"
    }
  ],
  "word": "d"
}