"visitors' book" meaning in English

{
  "forms": [
    {
      "form": "visitors' books",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "visitors' book"
      },
      "expansion": "visitors' book (plural visitors' books)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "70 30",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "73 27",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "89 11",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A book in which visitors or guests (at, for example, a bed and breakfast) may leave comments about the establishment."
      ],
      "id": "en-visitors'_book-en-noun-h2utkJrf",
      "links": [
        [
          "bed and breakfast",
          "bed and breakfast"
        ]
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Internet",
          "orig": "en:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A feature of a website performing a similar function to a written guest book."
      ],
      "id": "en-visitors'_book-en-noun-oikb4DwU",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "website",
          "website"
        ]
      ],
      "raw_glosses": [
        "(Internet) A feature of a website performing a similar function to a written guest book."
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "55 45",
      "word": "guest book"
    },
    {
      "_dis1": "55 45",
      "word": "guestbook"
    },
    {
      "_dis1": "55 45",
      "word": "visitor's book"
    }
  ],
  "word": "visitors' book"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "visitors' books",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "visitors' book"
      },
      "expansion": "visitors' book (plural visitors' books)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A book in which visitors or guests (at, for example, a bed and breakfast) may leave comments about the establishment."
      ],
      "links": [
        [
          "bed and breakfast",
          "bed and breakfast"
        ]
      ]
    },
    {
      "categories": [
        "en:Internet"
      ],
      "glosses": [
        "A feature of a website performing a similar function to a written guest book."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "website",
          "website"
        ]
      ],
      "raw_glosses": [
        "(Internet) A feature of a website performing a similar function to a written guest book."
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "guest book"
    },
    {
      "word": "guestbook"
    },
    {
      "word": "visitor's book"
    }
  ],
  "word": "visitors' book"
}