It means you are approaching a roundabout and (in the U.K.) must give way to traffic coming from the right and already on the roundabout.
In the UK it could be a road sign indicating that there is a roundabout ahead.
It mean to infer, or suggest in a roundabout way.
A blue circular sign indicated acompulsoryaction. (You must do it) for example, you might find a diagram of a roundabout in a blue circular sign, the sign is telling you, you MUST go AROUND the roundabout.
A driver must always look to the left and yield to a vehicle that is already in the roundabout.
Cars in the roundabout have the right of way over cars entering the roundabout.
The junction is controlled by a roundabout.
The Magic Roundabout was created in 1964.
The Magic Roundabout ended in 1971.
Operation Roundabout happened in 1943.
Rhondda Roundabout was created in 1934.
Roundabout is the correct spelling.
A bicycle roundabout is a roundabout intended for bicycles, typically used in order to improve the flow of automobile transport.