"star witness" meaning in English

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      "form": "star witnesses",
      "tags": [
        "plural"
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      "expansion": "star witness (plural star witnesses)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "2023 October 11, Victoria Bekiempis, “Bankman-Fried’s ex-girlfriend to take stand again after day of dramatic testimony”, in The Guardian, →ISSN",
          "text": "She is the prosecution’s star witness in Bankman-Fried’s trial, in which he faces seven fraud and conspiracy counts for allegedly cheating customers out of $10bn.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A witness who provides crucial information in a criminal case. (This entry is a translation hub.)"
      ],
      "id": "en-star_witness-en-noun-BlMRdFvZ",
      "links": [
        [
          "witness",
          "witness"
        ],
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          "translation hub",
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      "synonyms": [
        {
          "word": "key witness"
        },
        {
          "word": "principal witness"
        }
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "Hauptzeuge"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "Hauptzeugin"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "Translations",
          "tags": [
            "neuter"
          ],
          "word": "stjärnvittne"
        }
      ]
    }
  ],
  "word": "star witness"
}

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      "tags": [
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  "lang_code": "en",
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          "ref": "2023 October 11, Victoria Bekiempis, “Bankman-Fried’s ex-girlfriend to take stand again after day of dramatic testimony”, in The Guardian, →ISSN",
          "text": "She is the prosecution’s star witness in Bankman-Fried’s trial, in which he faces seven fraud and conspiracy counts for allegedly cheating customers out of $10bn.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A witness who provides crucial information in a criminal case. (This entry is a translation hub.)"
      ],
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      "synonyms": [
        {
          "word": "key witness"
        },
        {
          "word": "principal witness"
        }
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "Hauptzeuge"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "Hauptzeugin"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "Translations",
      "tags": [
        "neuter"
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      "word": "stjärnvittne"
    }
  ],
  "word": "star witness"
}