"jackknife" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "antijackknife"
    }
  ],
  "forms": [
    {
      "form": "jackknives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "jackknives"
      },
      "expansion": "jackknife (plural jackknives)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jack-knife"
        }
      ],
      "categories": [],
      "examples": [
        {
          "bold_text_offsets": [
            [
              116,
              125
            ]
          ],
          "ref": "1887, Julian Hawthorne, A Tragic Mystery: From the Diary of Inspector Byrnes, page 25:",
          "text": "[…] near it is a cluster of weapons of villanous aspect, comprising every thing from a Malayan creese to a sailor's jackknife or a Smith & Wesson revolver.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of jack-knife."
      ],
      "id": "en-jackknife-en-noun-r1PFniPK",
      "links": [
        [
          "jack-knife",
          "jack-knife#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "20 59 21",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "20 55 24",
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 74 14",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "10 78 11",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "21 54 25",
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate."
      ],
      "id": "en-jackknife-en-noun-4-YEB4nx",
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "resampling",
          "resampling"
        ],
        [
          "estimator",
          "estimator"
        ]
      ],
      "raw_glosses": [
        "(statistics) A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate."
      ],
      "synonyms": [
        {
          "word": "leave-one-out"
        }
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ],
      "translations": [
        {
          "_dis1": "27 73",
          "code": "pl",
          "lang": "Polish",
          "lang_code": "pl",
          "sense": "statistics",
          "tags": [
            "masculine"
          ],
          "word": "jackknife"
        }
      ]
    }
  ],
  "word": "jackknife"
}

{
  "forms": [
    {
      "form": "jackknifes",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "jackknifing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "jackknifed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "jackknifed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jackknife (third-person singular simple present jackknifes, present participle jackknifing, simple past and past participle jackknifed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jack-knife"
        }
      ],
      "glosses": [
        "Alternative form of jack-knife."
      ],
      "id": "en-jackknife-en-verb-gbfV~WFf",
      "links": [
        [
          "jack-knife",
          "jack-knife#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "jackknife"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with irregular plurals",
    "English verbs",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Polish translations"
  ],
  "derived": [
    {
      "word": "antijackknife"
    }
  ],
  "forms": [
    {
      "form": "jackknives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "jackknives"
      },
      "expansion": "jackknife (plural jackknives)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jack-knife"
        }
      ],
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              116,
              125
            ]
          ],
          "ref": "1887, Julian Hawthorne, A Tragic Mystery: From the Diary of Inspector Byrnes, page 25:",
          "text": "[…] near it is a cluster of weapons of villanous aspect, comprising every thing from a Malayan creese to a sailor's jackknife or a Smith & Wesson revolver.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of jack-knife."
      ],
      "links": [
        [
          "jack-knife",
          "jack-knife#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    },
    {
      "categories": [
        "en:Statistics"
      ],
      "glosses": [
        "A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate."
      ],
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "resampling",
          "resampling"
        ],
        [
          "estimator",
          "estimator"
        ]
      ],
      "raw_glosses": [
        "(statistics) A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate."
      ],
      "synonyms": [
        {
          "word": "leave-one-out"
        }
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "lang_code": "pl",
      "sense": "statistics",
      "tags": [
        "masculine"
      ],
      "word": "jackknife"
    }
  ],
  "word": "jackknife"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with irregular plurals",
    "English verbs",
    "Entries with translation boxes",
    "Pages with 1 entry",
    "Pages with entries",
    "Terms with Polish translations"
  ],
  "forms": [
    {
      "form": "jackknifes",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "jackknifing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "jackknifed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "jackknifed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jackknife (third-person singular simple present jackknifes, present participle jackknifing, simple past and past participle jackknifed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jack-knife"
        }
      ],
      "glosses": [
        "Alternative form of jack-knife."
      ],
      "links": [
        [
          "jack-knife",
          "jack-knife#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "jackknife"
}