"Threefish" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "three",
        "3": "fish"
      },
      "expansion": "three + fish",
      "name": "compound"
    },
    {
      "args": {
        "1": "en",
        "2": "Twofish"
      },
      "expansion": "Twofish",
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    }
  ],
  "etymology_text": "three + fish, modelled on the earlier Twofish.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Threefish",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Cryptography",
          "orig": "en:Cryptography",
          "parents": [
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            "Formal sciences",
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            "Computing",
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          "source": "w"
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      ],
      "glosses": [
        "A symmetric-key tweakable block cipher involving the Skein hash function."
      ],
      "id": "en-Threefish-en-name-xS4Avvj7",
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "symmetric",
          "symmetric"
        ],
        [
          "key",
          "key"
        ],
        [
          "tweakable",
          "tweakable"
        ],
        [
          "block cipher",
          "block cipher"
        ]
      ],
      "raw_glosses": [
        "(cryptography) A symmetric-key tweakable block cipher involving the Skein hash function."
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Threefish"
      ]
    }
  ],
  "word": "Threefish"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "three",
        "3": "fish"
      },
      "expansion": "three + fish",
      "name": "compound"
    },
    {
      "args": {
        "1": "en",
        "2": "Twofish"
      },
      "expansion": "Twofish",
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  ],
  "etymology_text": "three + fish, modelled on the earlier Twofish.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Threefish",
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  ],
  "lang": "English",
  "lang_code": "en",
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  "senses": [
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      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
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      "glosses": [
        "A symmetric-key tweakable block cipher involving the Skein hash function."
      ],
      "links": [
        [
          "cryptography",
          "cryptography"
        ],
        [
          "symmetric",
          "symmetric"
        ],
        [
          "key",
          "key"
        ],
        [
          "tweakable",
          "tweakable"
        ],
        [
          "block cipher",
          "block cipher"
        ]
      ],
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        "(cryptography) A symmetric-key tweakable block cipher involving the Skein hash function."
      ],
      "topics": [
        "computing",
        "cryptography",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Threefish"
      ]
    }
  ],
  "word": "Threefish"
}