"標題紙" meaning in Japanese

{
  "forms": [
    {
      "form": "標題紙",
      "ruby": [
        [
          "標",
          "ひょう"
        ],
        [
          "題",
          "だい"
        ],
        [
          "紙",
          "し"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hyōdaishi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ひょうだいし"
      },
      "expansion": "標(ひょう)題(だい)紙(し) • (hyōdaishi)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "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 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"
        }
      ],
      "glosses": [
        "title page (page in a book)"
      ],
      "id": "en-標題紙-ja-noun-VfovjBsf",
      "links": [
        [
          "title page",
          "title page"
        ]
      ]
    }
  ],
  "word": "標題紙"
}

{
  "forms": [
    {
      "form": "標題紙",
      "ruby": [
        [
          "標",
          "ひょう"
        ],
        [
          "題",
          "だい"
        ],
        [
          "紙",
          "し"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hyōdaishi",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ひょうだいし"
      },
      "expansion": "標(ひょう)題(だい)紙(し) • (hyōdaishi)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with fourth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters"
      ],
      "glosses": [
        "title page (page in a book)"
      ],
      "links": [
        [
          "title page",
          "title page"
        ]
      ]
    }
  ],
  "word": "標題紙"
}

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