"cross-validation" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cross-",
        "3": "validation"
      },
      "expansion": "cross- + validation",
      "name": "af"
    }
  ],
  "etymology_text": "From cross- + validation.",
  "forms": [
    {
      "form": "cross-validations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
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      "expansion": "cross-validation (usually uncountable, plural cross-validations)",
      "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": "other",
          "name": "English terms prefixed with cross-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
          "parents": [
            "Formal sciences",
            "Mathematics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any technique or instance of assessing how the results of a statistical analysis will generalize to an independent dataset."
      ],
      "id": "en-cross-validation-en-noun-QShEYia4",
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "independent",
          "independent"
        ],
        [
          "dataset",
          "dataset"
        ]
      ],
      "raw_glosses": [
        "(statistics) Any technique or instance of assessing how the results of a statistical analysis will generalize to an independent dataset."
      ],
      "synonyms": [
        {
          "word": "rotation estimation"
        }
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    }
  ],
  "word": "cross-validation"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cross-",
        "3": "validation"
      },
      "expansion": "cross- + validation",
      "name": "af"
    }
  ],
  "etymology_text": "From cross- + validation.",
  "forms": [
    {
      "form": "cross-validations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "cross-validation (usually uncountable, plural cross-validations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "English nouns",
        "English terms prefixed with cross-",
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        "en:Statistics"
      ],
      "glosses": [
        "Any technique or instance of assessing how the results of a statistical analysis will generalize to an independent dataset."
      ],
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "independent",
          "independent"
        ],
        [
          "dataset",
          "dataset"
        ]
      ],
      "raw_glosses": [
        "(statistics) Any technique or instance of assessing how the results of a statistical analysis will generalize to an independent dataset."
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "rotation estimation"
    }
  ],
  "word": "cross-validation"
}