"東歐" meaning in Japanese

{
  "forms": [
    {
      "form": "東歐",
      "ruby": [
        [
          "東",
          "とう"
        ],
        [
          "歐",
          "おう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Tōō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "とうおう"
      },
      "expansion": "東(とう)歐(おう) • (Tōō)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese kyūjitai spellings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Geographic and cultural areas of Europe",
          "orig": "ja:Geographic and cultural areas of Europe",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "Eastern Europe (a socio-political geographical area of eastern Europe usually including the European countries to the east of Germany, Austria and Italy, and to the west of the Urals)",
          "word": "東欧"
        }
      ],
      "glosses": [
        "Kyūjitai form of 東欧: Eastern Europe (a socio-political geographical area of eastern Europe usually including the European countries to the east of Germany, Austria and Italy, and to the west of the Urals)"
      ],
      "id": "en-東歐-ja-name-FxfU44fn",
      "links": [
        [
          "Kyūjitai",
          "kyūjitai"
        ],
        [
          "東欧",
          "東欧#Japanese"
        ],
        [
          "Eastern Europe",
          "Eastern Europe#English:_Q27468"
        ],
        [
          "socio-political",
          "socio-political"
        ],
        [
          "Europe",
          "Europe#English"
        ],
        [
          "European",
          "European"
        ],
        [
          "Germany",
          "Germany"
        ],
        [
          "Austria",
          "Austria"
        ],
        [
          "Italy",
          "Italy"
        ],
        [
          "Urals",
          "Urals"
        ]
      ],
      "tags": [
        "form-of",
        "kyūjitai"
      ]
    }
  ],
  "word": "東歐"
}

{
  "forms": [
    {
      "form": "東歐",
      "ruby": [
        [
          "東",
          "とう"
        ],
        [
          "歐",
          "おう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Tōō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "とうおう"
      },
      "expansion": "東(とう)歐(おう) • (Tōō)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese kyūjitai spellings",
        "Japanese lemmas",
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        "Japanese proper nouns",
        "Japanese terms spelled with hyōgai kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with redundant sortkeys",
        "Pages with 4 entries",
        "Pages with entries",
        "ja:Geographic and cultural areas of Europe"
      ],
      "form_of": [
        {
          "extra": "Eastern Europe (a socio-political geographical area of eastern Europe usually including the European countries to the east of Germany, Austria and Italy, and to the west of the Urals)",
          "word": "東欧"
        }
      ],
      "glosses": [
        "Kyūjitai form of 東欧: Eastern Europe (a socio-political geographical area of eastern Europe usually including the European countries to the east of Germany, Austria and Italy, and to the west of the Urals)"
      ],
      "links": [
        [
          "Kyūjitai",
          "kyūjitai"
        ],
        [
          "東欧",
          "東欧#Japanese"
        ],
        [
          "Eastern Europe",
          "Eastern Europe#English:_Q27468"
        ],
        [
          "socio-political",
          "socio-political"
        ],
        [
          "Europe",
          "Europe#English"
        ],
        [
          "European",
          "European"
        ],
        [
          "Germany",
          "Germany"
        ],
        [
          "Austria",
          "Austria"
        ],
        [
          "Italy",
          "Italy"
        ],
        [
          "Urals",
          "Urals"
        ]
      ],
      "tags": [
        "form-of",
        "kyūjitai"
      ]
    }
  ],
  "word": "東歐"
}

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