"裏日本" meaning in Japanese

{
  "antonyms": [
    {
      "roman": "omote nihon",
      "ruby": [
        [
          "表",
          "おもて"
        ],
        [
          "日",
          "に"
        ],
        [
          "本",
          "ほん"
        ]
      ],
      "word": "表日本"
    }
  ],
  "forms": [
    {
      "form": "裏日本",
      "ruby": [
        [
          "裏",
          "うら"
        ],
        [
          "日",
          "に"
        ],
        [
          "本",
          "ほん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "うら にほん"
      },
      "expansion": "裏(うら)日(に)本(ほん) • (Ura Nihon)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "part of Japan adjacent to Sea of Japan"
      ],
      "id": "en-裏日本-ja-name-B2fRa~kt",
      "links": [
        [
          "Japan",
          "Japan"
        ],
        [
          "Sea of Japan",
          "Sea of Japan"
        ]
      ],
      "raw_glosses": [
        "(sometimes offensive) part of Japan adjacent to Sea of Japan"
      ],
      "tags": [
        "offensive",
        "sometimes"
      ]
    }
  ],
  "sounds": [
    {
      "other": "うらにほん"
    },
    {
      "ipa": "[ɯ̟ɾa̠ɲ̟ihõ̞ɴ]"
    }
  ],
  "word": "裏日本"
}

{
  "antonyms": [
    {
      "roman": "omote nihon",
      "ruby": [
        [
          "表",
          "おもて"
        ],
        [
          "日",
          "に"
        ],
        [
          "本",
          "ほん"
        ]
      ],
      "word": "表日本"
    }
  ],
  "forms": [
    {
      "form": "裏日本",
      "ruby": [
        [
          "裏",
          "うら"
        ],
        [
          "日",
          "に"
        ],
        [
          "本",
          "ほん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "うら にほん"
      },
      "expansion": "裏(うら)日(に)本(ほん) • (Ura Nihon)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with multiple readings",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "part of Japan adjacent to Sea of Japan"
      ],
      "links": [
        [
          "Japan",
          "Japan"
        ],
        [
          "Sea of Japan",
          "Sea of Japan"
        ]
      ],
      "raw_glosses": [
        "(sometimes offensive) part of Japan adjacent to Sea of Japan"
      ],
      "tags": [
        "offensive",
        "sometimes"
      ]
    }
  ],
  "sounds": [
    {
      "other": "うらにほん"
    },
    {
      "ipa": "[ɯ̟ɾa̠ɲ̟ihõ̞ɴ]"
    }
  ],
  "word": "裏日本"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "裏日本"
  ],
  "section": "Japanese",
  "subsection": "proper noun",
  "title": "裏日本",
  "trace": ""
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: Ura Nihon",
  "path": [
    "裏日本"
  ],
  "section": "Japanese",
  "subsection": "proper noun",
  "title": "裏日本",
  "trace": ""
}