Costumbre
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In Spanish law. Custom! an unwritten law established by usage, during a long space of time. Las Partidas, pt.
1, tit. 2, lib. 4.
COSURETIES^ Joint sureties; two or more sureties to the same obligation.