The word "rout" has several meanings, depending on its context.
1) In a military sense, it refers to the complete rout or defeat of an army in battle.
2) It can also refer to a regular and repeated course of action, such as a daily routine.
3) In sports, particularly basketball, "rout" is used when one team dominates another with ease, winning by a large margin.
4) Finally, the word can be used in a more general sense to describe an overwhelming defeat or rout of something or someone.