"lest we forget" meaning in English

{
  "etymology_text": "From Rudyard Kipling's 1897 poem Recessional.",
  "head_templates": [
    {
      "args": {},
      "expansion": "lest we forget",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Canadian English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Used in Remembrance Day ceremonies as a caution against forgetting those who died in war."
      ],
      "id": "en-lest_we_forget-en-intj-JdpJ9EIt",
      "links": [
        [
          "Remembrance Day",
          "Remembrance Day#English"
        ]
      ],
      "qualifier": "British and Canada",
      "raw_glosses": [
        "(British and Canada) Used in Remembrance Day ceremonies as a caution against forgetting those who died in war."
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Australian English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "New Zealand English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "25 75",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Used on ANZAC Day memorials as a caution against forgetting those who fell in the First World War"
      ],
      "id": "en-lest_we_forget-en-intj-XFR41hKw",
      "links": [
        [
          "ANZAC Day",
          "ANZAC Day#English"
        ],
        [
          "First World War",
          "First World War#English"
        ]
      ],
      "raw_glosses": [
        "(Australia and New Zealand) Used on ANZAC Day memorials as a caution against forgetting those who fell in the First World War"
      ],
      "tags": [
        "Australia",
        "New-Zealand"
      ],
      "translations": [
        {
          "_dis1": "19 81",
          "code": "fr",
          "english": "(Canada)",
          "lang": "French",
          "sense": "Translations",
          "word": "n'oublions jamais"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-lest we forget.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/65/En-au-lest_we_forget.ogg/En-au-lest_we_forget.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/65/En-au-lest_we_forget.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "lest we forget"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English interjections",
    "English lemmas",
    "English multiword terms",
    "English terms with audio links",
    "Translation table header lacks gloss"
  ],
  "etymology_text": "From Rudyard Kipling's 1897 poem Recessional.",
  "head_templates": [
    {
      "args": {},
      "expansion": "lest we forget",
      "name": "en-interj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "British English",
        "Canadian English"
      ],
      "glosses": [
        "Used in Remembrance Day ceremonies as a caution against forgetting those who died in war."
      ],
      "links": [
        [
          "Remembrance Day",
          "Remembrance Day#English"
        ]
      ],
      "qualifier": "British and Canada",
      "raw_glosses": [
        "(British and Canada) Used in Remembrance Day ceremonies as a caution against forgetting those who died in war."
      ]
    },
    {
      "categories": [
        "Australian English",
        "New Zealand English"
      ],
      "glosses": [
        "Used on ANZAC Day memorials as a caution against forgetting those who fell in the First World War"
      ],
      "links": [
        [
          "ANZAC Day",
          "ANZAC Day#English"
        ],
        [
          "First World War",
          "First World War#English"
        ]
      ],
      "raw_glosses": [
        "(Australia and New Zealand) Used on ANZAC Day memorials as a caution against forgetting those who fell in the First World War"
      ],
      "tags": [
        "Australia",
        "New-Zealand"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-lest we forget.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/6/65/En-au-lest_we_forget.ogg/En-au-lest_we_forget.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/6/65/En-au-lest_we_forget.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "translations": [
    {
      "code": "fr",
      "english": "(Canada)",
      "lang": "French",
      "sense": "Translations",
      "word": "n'oublions jamais"
    }
  ],
  "word": "lest we forget"
}