I. de ‧ tour 1 /ˈdiːtʊə $ -tʊr/ BrE AmE noun [countable]
[ Date: 1700-1800 ; Language: French ; Origin: détour ]
1 . a way of going from one place to another that is longer than the usual way
make/take a detour
We took a detour to avoid the town centre.
2 . American English a different road for traffic when the usual road cannot be used SYN diversion British English
II. detour 2 BrE AmE verb [intransitive and transitive] American English
to make a detour