n.1. A manner of proceeding; a way of performing or effecting something: standard procedure.
2. a. A series of steps taken to accomplish an end: a medical procedure; evacuation procedures.
b. Computers A set of instructions that performs a specific task; a subroutine or function.
3. a. A set of established forms or methods for conducting the affairs of an organized body such as a business, club, or government.
b. Law The set of rules under which litigation is conducted, especially in contrast to the set of substantive legal principles that determine the merits of legal controversies and disputes.