coinsurerglossary / COINSURER coinsurer. An insurer who shares losses sustained under an insurance policy. See coinsurance under INSURANCE. [Cases: Insurance 2285. C.J.S. Insurance §§ 1137–1143.] 词条贡献者 资深译员Ting,亚洲顶尖法学院国际贸易专业,擅长翻译各类与国际贸易委员会调查程序相关的法律文件。