I. ˈdē-ˌtu̇r also di-ˈtu̇r noun
Etymology: French détour, from Old French destor, from destorner to divert, from des- de- + torner to turn — more at turn
Date: 1738
: a deviation from a direct course or the usual procedure ; especially : a roundabout way temporarily replacing part of a route
II. verb
Date: 1836
intransitive verb
: to proceed by a detour
detour around road construction
transitive verb
1. : to send by a circuitous route
detour traffic around an accident
2. : to avoid by going around : bypass
detour an accident site