"0721" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "日語 性",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語名詞",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日語詞元",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有1個詞條的頁面",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "有多個讀音的日語詞",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_text": "文字遊戲，數字 0 視作拉丁字母 O，用日語讀作 オー (ō)；數字 7、2、1 則用其對應讀音（なな、に、いち）的第一個假名，最後組成オナニー (onanī, “自慰”)。",
  "forms": [
    {
      "form": "0721",
      "ruby": [
        [
          "0721",
          "オナニー"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "onanī",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "日語",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日語俚語",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "自慰"
      ],
      "id": "zh-0721-ja-noun-YznWahgH",
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "0721"
}

{
  "categories": [
    "日語 性",
    "日語名詞",
    "日語詞元",
    "有1個詞條的頁面",
    "有多個讀音的日語詞"
  ],
  "etymology_text": "文字遊戲，數字 0 視作拉丁字母 O，用日語讀作 オー (ō)；數字 7、2、1 則用其對應讀音（なな、に、いち）的第一個假名，最後組成オナニー (onanī, “自慰”)。",
  "forms": [
    {
      "form": "0721",
      "ruby": [
        [
          "0721",
          "オナニー"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "onanī",
      "tags": [
        "romanization"
      ]
    }
  ],
  "lang": "日語",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "日語俚語"
      ],
      "glosses": [
        "自慰"
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "0721"
}