county seatglossary / COUNTY SEAT county seat. The municipality where a county’s principal offices are located. — Also termed county town. [Cases: Counties 25. C.J.S. Counties § 45.] 词条贡献者 双语律师Julie,国际知名法学院法律专业,擅长翻译各类与证券监管、合规与执法相关的法律文件。