"by-book" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "by",
        "3": "book"
      },
      "expansion": "by- + book",
      "name": "prefix"
    }
  ],
  "etymology_text": "From by- + book.",
  "forms": [
    {
      "form": "by-books",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "by-book (plural by-books)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A notebook or memorandum book."
      ],
      "id": "en-by-book-en-noun-SFSni0B9",
      "links": [
        [
          "notebook",
          "notebook"
        ],
        [
          "memorandum",
          "memorandum"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "27 73",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "16 84",
          "kind": "other",
          "name": "English terms prefixed with by-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "25 75",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A subordinate book containing notes or jottings to be afterward extended in due form."
      ],
      "id": "en-by-book-en-noun-V-dL-7eF",
      "links": [
        [
          "subordinate",
          "subordinate"
        ]
      ]
    }
  ],
  "word": "by-book"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms prefixed with by-",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "by",
        "3": "book"
      },
      "expansion": "by- + book",
      "name": "prefix"
    }
  ],
  "etymology_text": "From by- + book.",
  "forms": [
    {
      "form": "by-books",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "by-book (plural by-books)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A notebook or memorandum book."
      ],
      "links": [
        [
          "notebook",
          "notebook"
        ],
        [
          "memorandum",
          "memorandum"
        ]
      ]
    },
    {
      "glosses": [
        "A subordinate book containing notes or jottings to be afterward extended in due form."
      ],
      "links": [
        [
          "subordinate",
          "subordinate"
        ]
      ]
    }
  ],
  "word": "by-book"
}