"registre neutre" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de registre, dans le sens de registre de langue et de neutre."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "registre littéraire"
    },
    {
      "word": "registre noble"
    },
    {
      "word": "registre relevé"
    },
    {
      "word": "registre sublime"
    },
    {
      "word": "registre soutenu"
    },
    {
      "word": "registre courant"
    },
    {
      "word": "registre standard"
    },
    {
      "word": "registre familier"
    },
    {
      "word": "registre populaire"
    },
    {
      "word": "registre argotique"
    },
    {
      "word": "registre vulgaire"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en français de la lexicographie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Niveau de registre de langue propre au vocabulaire courant."
      ],
      "id": "fr-registre_neutre-fr-noun-WtM1zahb",
      "topics": [
        "lexicography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ʁə.ʒistʁ nøtʁ\\"
    }
  ],
  "synonyms": [
    {
      "word": "registre courant"
    },
    {
      "word": "registre standard"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "registre neutre"
}

{
  "categories": [
    "Locutions nominales en français",
    "français"
  ],
  "etymology_texts": [
    "Composé de registre, dans le sens de registre de langue et de neutre."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Locution nominale",
  "related": [
    {
      "word": "registre littéraire"
    },
    {
      "word": "registre noble"
    },
    {
      "word": "registre relevé"
    },
    {
      "word": "registre sublime"
    },
    {
      "word": "registre soutenu"
    },
    {
      "word": "registre courant"
    },
    {
      "word": "registre standard"
    },
    {
      "word": "registre familier"
    },
    {
      "word": "registre populaire"
    },
    {
      "word": "registre argotique"
    },
    {
      "word": "registre vulgaire"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en français de la lexicographie"
      ],
      "glosses": [
        "Niveau de registre de langue propre au vocabulaire courant."
      ],
      "topics": [
        "lexicography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ʁə.ʒistʁ nøtʁ\\"
    }
  ],
  "synonyms": [
    {
      "word": "registre courant"
    },
    {
      "word": "registre standard"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "registre neutre"
}