primary insurerglossary / primary insurer An insurer who is contractually committed to settling a claim up to the applicable policy limit before any other insurer becomes liable for any part of the same claim. See excess insurer. 词条贡献者 双语律师Pablo,国际知名法学院法律专业,擅长翻译涉及高端品牌及消费品领域的法律文件。