Coif
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
A headdress. In England there are certain Serjeants at law who are called Serjeants of the coif, from the lawn coif they wear on their heads ' under their thin caps when they are admitted to that order. It was anciently worn as a distinguishing badge.
Spelman.
COJUDICES (Lat.) In old English law. Associate judges having equality of power with others.