excess insurerglossary / excess insurer An insurer who is liable for settling any part of a claim not covered by an insured’s primary insurer. — Also termed secondary insurer. See primary insurer. 词条贡献者 资深法律翻译Patrick,毕业于美国顶尖的高级翻译学院,专注翻译各类与资产管理有关的法律文件。