arson clauseglossary / ARSON CLAUSE arson clause. Insurance. An insurance-policy provision that excludes coverage of a loss due to fire if the insured intentionally started the fire. [Cases: Insurance 2166(3). C.J.S. Insurance § 922.] 词条贡献者 资深译员Gilbert,毕业于美国一流的法学院,专注翻译各种与专利申请和专利组合咨询有关的法律文件。