"RD" meaning in Italien

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en italien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Italien",
      "orig": "italien",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Sigle de Repubblicani Democratici."
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en italien de la politique",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en italien",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abréviation de Repubblicani Democratici, nom d’un parti politique italien."
      ],
      "id": "fr-RD-it-name-N1HcOWnO",
      "topics": [
        "politics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˌɛr.re.ˈdi\\"
    }
  ],
  "word": "RD"
}

{
  "categories": [
    "Noms propres en italien",
    "italien"
  ],
  "etymology_texts": [
    "Sigle de Repubblicani Democratici."
  ],
  "lang": "Italien",
  "lang_code": "it",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        "Lexique en italien de la politique",
        "Wiktionnaire:Exemples manquants en italien"
      ],
      "glosses": [
        "Abréviation de Repubblicani Democratici, nom d’un parti politique italien."
      ],
      "topics": [
        "politics"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˌɛr.re.ˈdi\\"
    }
  ],
  "word": "RD"
}