"下界" meaning in 日本語

{
  "categories": [
    {
      "kind": "other",
      "name": "日本語",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "日本語 名詞",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "かかい"
    },
    {
      "form": "げかい"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 仏教",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "（げかい）この世。人間界。"
      ],
      "id": "ja-下界-ja-noun-3YerRcAj",
      "topics": [
        "Buddhism"
      ]
    },
    {
      "glosses": [
        "（げかい）高所からみた地上。"
      ],
      "id": "ja-下界-ja-noun-JBG33UGR"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "日本語 数学",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "（かかい、げかい）ある集合でそこに含まれる数でどの数よりも大きくない数。"
      ],
      "id": "ja-下界-ja-noun-RU9cVm8t",
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "下界"
}

{
  "categories": [
    "日本語",
    "日本語 名詞"
  ],
  "forms": [
    {
      "form": "かかい"
    },
    {
      "form": "げかい"
    }
  ],
  "lang": "日本語",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "名詞",
  "senses": [
    {
      "categories": [
        "日本語 仏教"
      ],
      "glosses": [
        "（げかい）この世。人間界。"
      ],
      "topics": [
        "Buddhism"
      ]
    },
    {
      "glosses": [
        "（げかい）高所からみた地上。"
      ]
    },
    {
      "categories": [
        "日本語 数学"
      ],
      "glosses": [
        "（かかい、げかい）ある集合でそこに含まれる数でどの数よりも大きくない数。"
      ],
      "topics": [
        "mathematics"
      ]
    }
  ],
  "word": "下界"
}