corroborating witnessglossary / corroborating witness A witness who confirms or supports someone else’s testimony. [Cases: Witnesses 410. C.J.S. Witnesses § 776.] 词条贡献者 资深译员大智,毕业于美国一流的高级翻译学院,专注翻译各种与复杂诉讼有关的法律文件。