"trial run" meaning in English

{
  "forms": [
    {
      "form": "trial runs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trial run (plural trial runs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "1962 April, R. K. Evans, “The Acceptance Testing of Diesel Locomotives”, in Modern Railways, page 268",
          "text": "Because most diesel failures can be traced to electrical faults, minor in themselves but often difficult to pin-point, any unscheduled halt during a trial run is often the signal for the frenzied unfolding of wiring diagrams and the appearance of an impressive array of voltmeters and circuit testers.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An empirical test of the suitability or effectiveness of a method or thing by running it at least once."
      ],
      "id": "en-trial_run-en-noun-HcMx1yJG",
      "links": [
        [
          "test",
          "test"
        ]
      ],
      "translations": [
        {
          "_dis1": "64 36",
          "code": "da",
          "lang": "Danish",
          "sense": "test of suitability or effectiveness",
          "tags": [
            "common-gender"
          ],
          "word": "prøvetur"
        },
        {
          "_dis1": "64 36",
          "code": "nl",
          "lang": "Dutch",
          "sense": "test of suitability or effectiveness",
          "word": "testpoging"
        },
        {
          "_dis1": "64 36",
          "code": "fi",
          "lang": "Finnish",
          "note": "of a thing",
          "sense": "test of suitability or effectiveness",
          "word": "koekäyttö"
        },
        {
          "_dis1": "64 36",
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "test of suitability or effectiveness",
          "tags": [
            "masculine"
          ],
          "word": "prøvetur"
        },
        {
          "_dis1": "64 36",
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "test of suitability or effectiveness",
          "tags": [
            "masculine"
          ],
          "word": "prøvetur"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "38 62",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "An empirical test of the suitability or capability of a person or actor by letting him perform at least once."
      ],
      "id": "en-trial_run-en-noun-J6nAkrMd",
      "links": [
        [
          "test",
          "test"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "dry run"
    },
    {
      "_dis1": "0 0",
      "word": "dummy run"
    },
    {
      "_dis1": "0 0",
      "word": "tryout"
    }
  ],
  "word": "trial run"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "trial runs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "trial run (plural trial runs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1962 April, R. K. Evans, “The Acceptance Testing of Diesel Locomotives”, in Modern Railways, page 268",
          "text": "Because most diesel failures can be traced to electrical faults, minor in themselves but often difficult to pin-point, any unscheduled halt during a trial run is often the signal for the frenzied unfolding of wiring diagrams and the appearance of an impressive array of voltmeters and circuit testers.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An empirical test of the suitability or effectiveness of a method or thing by running it at least once."
      ],
      "links": [
        [
          "test",
          "test"
        ]
      ]
    },
    {
      "glosses": [
        "An empirical test of the suitability or capability of a person or actor by letting him perform at least once."
      ],
      "links": [
        [
          "test",
          "test"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "dry run"
    },
    {
      "word": "dummy run"
    },
    {
      "word": "tryout"
    }
  ],
  "translations": [
    {
      "code": "da",
      "lang": "Danish",
      "sense": "test of suitability or effectiveness",
      "tags": [
        "common-gender"
      ],
      "word": "prøvetur"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "test of suitability or effectiveness",
      "word": "testpoging"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "note": "of a thing",
      "sense": "test of suitability or effectiveness",
      "word": "koekäyttö"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "test of suitability or effectiveness",
      "tags": [
        "masculine"
      ],
      "word": "prøvetur"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "test of suitability or effectiveness",
      "tags": [
        "masculine"
      ],
      "word": "prøvetur"
    }
  ],
  "word": "trial run"
}