"山海關" meaning in Japanese

{
  "forms": [
    {
      "form": "山海關",
      "ruby": [
        [
          "山",
          "さん"
        ],
        [
          "海",
          "かい"
        ],
        [
          "關",
          "かん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Sankaikan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "さんかいかん"
      },
      "expansion": "山(さん)海(かい)關(かん) • (Sankaikan)",
      "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 kyūjitai spellings",
          "parents": [],
          "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 redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "Shanhai Pass",
          "word": "山海関"
        }
      ],
      "glosses": [
        "Kyūjitai form of 山海関 (“Shanhai Pass”)"
      ],
      "id": "en-山海關-ja-name-8IuNygCC",
      "links": [
        [
          "Kyūjitai",
          "kyūjitai"
        ],
        [
          "山海関",
          "山海関#Japanese"
        ]
      ],
      "tags": [
        "form-of",
        "kyūjitai"
      ]
    }
  ],
  "word": "山海關"
}

{
  "forms": [
    {
      "form": "山海關",
      "ruby": [
        [
          "山",
          "さん"
        ],
        [
          "海",
          "かい"
        ],
        [
          "關",
          "かん"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Sankaikan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "さんかいかん"
      },
      "expansion": "山(さん)海(かい)關(かん) • (Sankaikan)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese kyūjitai spellings",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with hyōgaiji kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters"
      ],
      "form_of": [
        {
          "extra": "Shanhai Pass",
          "word": "山海関"
        }
      ],
      "glosses": [
        "Kyūjitai form of 山海関 (“Shanhai Pass”)"
      ],
      "links": [
        [
          "Kyūjitai",
          "kyūjitai"
        ],
        [
          "山海関",
          "山海関#Japanese"
        ]
      ],
      "tags": [
        "form-of",
        "kyūjitai"
      ]
    }
  ],
  "word": "山海關"
}

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