[n] a process or series of acts especially of a practical or mechanical nature involved in a particular form of work; "the operations in building a house"; "certain machine tool operations"
[n] a mode of conducting legal and parliamentary proceedings
[n] a particular course of action intended to achieve a results; "the procedure of obtaining a driver's license"; "it was a process of trial and error"
[n] a set sequence of steps, part of larger computer program