grand jury clauseglossary / GRAND JURY CLAUSE Grand Jury Clause. The clause of the Fifth Amendment to the U.S. Constitution requiring an indictment by a grand jury before a person can be tried for serious offenses. 词条贡献者 双语律师Nanda,国际知名法学院国际法专业,擅长翻译各类与生物医学诉讼相关的法律文件。