"D-notice" meaning in English

{
  "forms": [
    {
      "form": "D-notices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "D-notice (plural D-notices)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1977, John Le Carré, The Honourable Schoolboy, Folio Society, published 2010, page 18",
          "text": "His mistake was to select a heavy English Sunday paper which occasionally ran his pieces. The D-Notice forbidding all reference to these events was there ahead of him.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A defence notice; an official request to news editors not to publish or broadcast items on specified subjects for reasons of national security (replaced in 1993 with the DA-notice)."
      ],
      "id": "en-D-notice-en-noun-A-qYdj-d",
      "links": [
        [
          "editor",
          "editor"
        ],
        [
          "broadcast",
          "broadcast"
        ],
        [
          "national security",
          "national security"
        ],
        [
          "DA-notice",
          "DA-notice"
        ]
      ],
      "raw_glosses": [
        "(UK, historical) A defence notice; an official request to news editors not to publish or broadcast items on specified subjects for reasons of national security (replaced in 1993 with the DA-notice)."
      ],
      "tags": [
        "UK",
        "historical"
      ],
      "wikipedia": [
        "D-notice"
      ]
    }
  ],
  "word": "D-notice"
}

{
  "forms": [
    {
      "form": "D-notices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "D-notice (plural D-notices)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with historical senses",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1977, John Le Carré, The Honourable Schoolboy, Folio Society, published 2010, page 18",
          "text": "His mistake was to select a heavy English Sunday paper which occasionally ran his pieces. The D-Notice forbidding all reference to these events was there ahead of him.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A defence notice; an official request to news editors not to publish or broadcast items on specified subjects for reasons of national security (replaced in 1993 with the DA-notice)."
      ],
      "links": [
        [
          "editor",
          "editor"
        ],
        [
          "broadcast",
          "broadcast"
        ],
        [
          "national security",
          "national security"
        ],
        [
          "DA-notice",
          "DA-notice"
        ]
      ],
      "raw_glosses": [
        "(UK, historical) A defence notice; an official request to news editors not to publish or broadcast items on specified subjects for reasons of national security (replaced in 1993 with the DA-notice)."
      ],
      "tags": [
        "UK",
        "historical"
      ],
      "wikipedia": [
        "D-notice"
      ]
    }
  ],
  "word": "D-notice"
}