"私書箱" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "私書",
        "3": "箱",
        "t1": "personal letter",
        "t2": "box",
        "tr1": "shisho",
        "tr2": "hako"
      },
      "expansion": "私書 (shisho, “personal letter”) + 箱 (hako, “box”)",
      "name": "com"
    }
  ],
  "etymology_text": "私書 (shisho, “personal letter”) + 箱 (hako, “box”)",
  "forms": [
    {
      "form": "私書箱",
      "ruby": [
        [
          "私",
          "し"
        ],
        [
          "書",
          "しょ"
        ],
        [
          "箱",
          "ばこ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shishobako",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ししょばこ"
      },
      "expansion": "私(し)書(しょ)箱(ばこ) • (shishobako)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(yūbin shishobako, “post office box”) (box hired as collection point for mail)",
          "word": "郵便私書箱"
        }
      ],
      "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 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 redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Short for 郵便私書箱 (yūbin shishobako, “post office box”) (box hired as collection point for mail)"
      ],
      "id": "en-私書箱-ja-noun-X~6g4aF3",
      "links": [
        [
          "郵便私書箱",
          "郵便私書箱#Japanese"
        ],
        [
          "post office box",
          "post office box"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "wikipedia": [
        "ja:私書箱"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ししょばこ"
    },
    {
      "ipa": "[ɕi̥ɕo̞ba̠ko̞]"
    }
  ],
  "word": "私書箱"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "私書",
        "3": "箱",
        "t1": "personal letter",
        "t2": "box",
        "tr1": "shisho",
        "tr2": "hako"
      },
      "expansion": "私書 (shisho, “personal letter”) + 箱 (hako, “box”)",
      "name": "com"
    }
  ],
  "etymology_text": "私書 (shisho, “personal letter”) + 箱 (hako, “box”)",
  "forms": [
    {
      "form": "私書箱",
      "ruby": [
        [
          "私",
          "し"
        ],
        [
          "書",
          "しょ"
        ],
        [
          "箱",
          "ばこ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shishobako",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ししょばこ"
      },
      "expansion": "私(し)書(しょ)箱(ばこ) • (shishobako)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(yūbin shishobako, “post office box”) (box hired as collection point for mail)",
          "word": "郵便私書箱"
        }
      ],
      "categories": [
        "Japanese compound terms",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese short forms",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Short for 郵便私書箱 (yūbin shishobako, “post office box”) (box hired as collection point for mail)"
      ],
      "links": [
        [
          "郵便私書箱",
          "郵便私書箱#Japanese"
        ],
        [
          "post office box",
          "post office box"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "wikipedia": [
        "ja:私書箱"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ししょばこ"
    },
    {
      "ipa": "[ɕi̥ɕo̞ba̠ko̞]"
    }
  ],
  "word": "私書箱"
}

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