cater cousinglossary / CATER COUSIN cater cousin (kay-t[schwa]r). A distant relative. • The term derives from the French quatrecousin, meaning a cousin in the fourth degree. 词条贡献者 双语律师蓉婧,国内知名法学院民商法专业,擅长翻译各类与数据隐私及安全相关的法律文件。