Oxford Dictionary English mini-roundabout nounnoun BrE BrE//ˌmɪni ˈraʊndəbaʊt// ; NAmE NAmE//ˌmɪni ˈraʊndəbaʊt// (British English) Controlling traffic Add to my wordlistjump to other resultsa white circle painted on a road at a place where two or more roads meet, that all traffic must go around in the same direction See related entries: Controlling trafficCheck pronunciation: mini-roundabout oxfordlearnersdictionaries.com