roundabout
Concise Oxford English Dictionary © 2008 Oxford University Press:
roundabout/ˈraʊndəbaʊt/
▶noun Brit.
- 1 a road junction at which traffic moves in one direction round a central island to reach one of the roads converging on it.
- 2 a large revolving device in a playground, for children to ride on.
■ a merry-go-round.
- 1 (of a route) not direct; circuitous.
- 2 not clear and direct in expression.
'roundabout' also found in these Oxford entries:

