Wiktionary
mini-roundabout
alt. (context UK English) A roundabout that is either flush to the road surface (painted on) or slightly raised. n. (context UK English) A roundabout that is either flush to the road surface (painted on) or slightly raised.
Usage examples of "mini-roundabout".
Six minutes ago Crash was 400 yards to the northeast, showing Demi how you reversed over a mini-roundabout.