diversion

Definitions

General English

Aviation

Cars & Driving

  • noun an alternative route which traffic has to follow due to closure of a stretch of road for repairs, etc.

Construction

  • A pipe, trench, or channel, usually temporary, used to divert the flow of water from its usual course.

Military

Travel

  • noun a change to a planned or normal route in order to avoid e.g. roadworks or flooding
http://www.dictionarycentral.com/definition/diversion.html