"〇" meaning in Chinois

{
  "categories": [
    {
      "kind": "other",
      "name": "Cardinaux en chinois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en chinois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Chinois",
      "orig": "chinois",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Chinois",
  "lang_code": "zh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "0."
      ],
      "id": "fr-〇-zh-noun-iS9uCcAs"
    },
    {
      "glosses": [
        "Zéro : caractère utilisé pour remplacer 零 en tant que chiffre zéro et non dans les mots formés avec 零."
      ],
      "id": "fr-〇-zh-noun-W46dmnSW"
    }
  ],
  "sounds": [
    {
      "tags": [
        "Pinyin"
      ],
      "zh_pron": "líng"
    },
    {
      "ipa": "\\liŋ˧˥\\"
    }
  ],
  "word": "〇"
}

{
  "categories": [
    "Cardinaux en chinois",
    "Noms communs en chinois",
    "chinois"
  ],
  "lang": "Chinois",
  "lang_code": "zh",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "0."
      ]
    },
    {
      "glosses": [
        "Zéro : caractère utilisé pour remplacer 零 en tant que chiffre zéro et non dans les mots formés avec 零."
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Pinyin"
      ],
      "zh_pron": "líng"
    },
    {
      "ipa": "\\liŋ˧˥\\"
    }
  ],
  "word": "〇"
}