In old English law. Chief, principal; at the head. A term applied to persons, places, judicial proceedings, and some kinds of property. Capitalis baro. In old English law. Chief baron. Capitalis baro scacoartt domini regis, chief baron of the exchequer. Townsh. PI 211. Capitalis custos. Chief warden or magistrate; mayor. Fleta, lib. 2, c. 64,