Black's Law Dictionary (2nd edition)dictionaries

Adjecttve Law

The aggregate of rules of procedure or practlce. As opposed to that body of law which the courts are es-tablished to administer, (called “substantive law,”) it means the rules according to which the substantive law is administered. That part of the law which provides a method for enforcing or maintaining rights, or obtaining redress for their invasion

Source: Black's Law Dictionary 2nd Ed (1910)