"非常口" meaning in Japanese

{
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        "2": "非常",
        "3": "口",
        "t1": "emergency",
        "t2": "opening",
        "tr1": "hijō",
        "tr2": "kuchi"
      },
      "expansion": "非常 (hijō, “emergency”) + 口 (kuchi, “opening”)",
      "name": "com"
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    {
      "args": {
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        "2": "非常口"
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      "name": "sortkey"
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    {
      "args": {
        "1": "kuchi",
        "2": "guchi"
      },
      "expansion": "The kuchi changes to guchi as an instance of rendaku (連濁).",
      "name": "rendaku2"
    }
  ],
  "etymology_text": "非常 (hijō, “emergency”) + 口 (kuchi, “opening”). The kuchi changes to guchi as an instance of rendaku (連濁).",
  "forms": [
    {
      "form": "非常口",
      "ruby": [
        [
          "非",
          "ひ"
        ],
        [
          "常",
          "じょう"
        ],
        [
          "口",
          "ぐち"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hijōguchi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ひじょうぐち"
      },
      "expansion": "非(ひ)常(じょう)口(ぐち) • (hijōguchi)",
      "name": "ja-noun"
    }
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  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
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        },
        {
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          "name": "Pages with entries",
          "parents": [],
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        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Architecture",
          "orig": "ja:Architecture",
          "parents": [
            "Applied sciences",
            "Art",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
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        }
      ],
      "glosses": [
        "emergency exit"
      ],
      "id": "en-非常口-ja-noun-S3Z0cgY2",
      "links": [
        [
          "emergency exit",
          "emergency exit"
        ]
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  ],
  "word": "非常口"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "非常",
        "3": "口",
        "t1": "emergency",
        "t2": "opening",
        "tr1": "hijō",
        "tr2": "kuchi"
      },
      "expansion": "非常 (hijō, “emergency”) + 口 (kuchi, “opening”)",
      "name": "com"
    },
    {
      "args": {
        "1": "ja",
        "2": "非常口"
      },
      "expansion": "ひしょうくち",
      "name": "sortkey"
    },
    {
      "args": {
        "1": "kuchi",
        "2": "guchi"
      },
      "expansion": "The kuchi changes to guchi as an instance of rendaku (連濁).",
      "name": "rendaku2"
    }
  ],
  "etymology_text": "非常 (hijō, “emergency”) + 口 (kuchi, “opening”). The kuchi changes to guchi as an instance of rendaku (連濁).",
  "forms": [
    {
      "form": "非常口",
      "ruby": [
        [
          "非",
          "ひ"
        ],
        [
          "常",
          "じょう"
        ],
        [
          "口",
          "ぐち"
        ]
      ],
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  "word": "非常口"
}

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  "msg": "no corresponding start tag found for </span>",
  "path": [
    "非常口"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "非常口",
  "trace": ""
}