excess reinsuranceglossary / excess reinsurance Reinsurance in which a reinsurer assumes liability only for an amount of insurance that exceeds a specified sum. See excess insurance under INSURANCE. 词条贡献者 专业法律翻译郭敏,毕业于欧洲顶尖的高级翻译学院,专注翻译各类与复杂保险交易有关的法律文件。