A prescribed, detailed course of action to be followed regularly; a standard procedure.
A set of customary and often mechanically performed procedures or activities. See Synonyms at method.
A set piece of entertainment, especially in a nightclub or theater: The audience laughed at the comedian's routine.
Slang A particular kind of behavior or activity: Must you go into your hurt routine when you don't get your way?
Computer Science A set of programming instructions designed to perform a specific limited task.
In accord with established procedure: a routine check of passports.
Habitual; regular: made his routine trip to the store.
Having no special quality; ordinary: a routine day.
[roo-tee-niz-uh
m] 
(rōō-tēn')