"printbound" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "print",
        "3": "bound"
      },
      "expansion": "print + bound",
      "name": "compound"
    }
  ],
  "etymology_text": "From print + bound.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "printbound (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              26,
              36
            ]
          ],
          "ref": "2009 April 26, William Safire, “Wide World of Words”, in New York Times:",
          "text": "For reasons known only to printbound publishers, books about words are suddenly the talk of the town.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Restricted to the use of print."
      ],
      "id": "en-printbound-en-adj-itQFRlVj",
      "links": [
        [
          "print",
          "print"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "printbound"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "print",
        "3": "bound"
      },
      "expansion": "print + bound",
      "name": "compound"
    }
  ],
  "etymology_text": "From print + bound.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "printbound (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with quotations",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              26,
              36
            ]
          ],
          "ref": "2009 April 26, William Safire, “Wide World of Words”, in New York Times:",
          "text": "For reasons known only to printbound publishers, books about words are suddenly the talk of the town.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Restricted to the use of print."
      ],
      "links": [
        [
          "print",
          "print"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "printbound"
}