"Caesar cipher" meaning in English

{
  "etymology_text": "From its supposed use by Julius Caesar to communicate with his generals.",
  "forms": [
    {
      "form": "Caesar ciphers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Caesar cipher (plural Caesar ciphers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Cryptography",
          "orig": "en:Cryptography",
          "parents": [
            "Computer science",
            "Formal sciences",
            "Mathematics",
            "Computing",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A simple form of encryption in which each letter in the plaintext is shifted through the alphabet a number of positions (for example A→D, B→E, C→F, etc.)."
      ],
      "id": "en-Caesar_cipher-en-noun-D25l80Fn",
      "links": [
        [
          "encryption",
          "encryption"
        ],
        [
          "letter",
          "letter"
        ],
        [
          "plaintext",
          "plaintext"
        ],
        [
          "shift",
          "shift"
        ],
        [
          "alphabet",
          "alphabet"
        ]
      ],
      "synonyms": [
        {
          "word": "Julius Caesar cipher"
        }
      ],
      "translations": [
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "simple form of encryption",
          "tags": [
            "neuter"
          ],
          "word": "reiknirit Sesars"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "šifr Cézarja",
          "sense": "simple form of encryption",
          "tags": [
            "masculine"
          ],
          "word": "шифр Це́заря"
        }
      ],
      "wikipedia": [
        "Caesar cipher"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-aɪfə(ɹ)"
    }
  ],
  "word": "Caesar cipher"
}

{
  "etymology_text": "From its supposed use by Julius Caesar to communicate with his generals.",
  "forms": [
    {
      "form": "Caesar ciphers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Caesar cipher (plural Caesar ciphers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Rhymes:English/aɪfə(ɹ)",
        "en:Cryptography"
      ],
      "glosses": [
        "A simple form of encryption in which each letter in the plaintext is shifted through the alphabet a number of positions (for example A→D, B→E, C→F, etc.)."
      ],
      "links": [
        [
          "encryption",
          "encryption"
        ],
        [
          "letter",
          "letter"
        ],
        [
          "plaintext",
          "plaintext"
        ],
        [
          "shift",
          "shift"
        ],
        [
          "alphabet",
          "alphabet"
        ]
      ],
      "synonyms": [
        {
          "word": "Julius Caesar cipher"
        }
      ],
      "wikipedia": [
        "Caesar cipher"
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-aɪfə(ɹ)"
    }
  ],
  "translations": [
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "simple form of encryption",
      "tags": [
        "neuter"
      ],
      "word": "reiknirit Sesars"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "šifr Cézarja",
      "sense": "simple form of encryption",
      "tags": [
        "masculine"
      ],
      "word": "шифр Це́заря"
    }
  ],
  "word": "Caesar cipher"
}