traffic circle
From Longman Dictionary of Contemporary EnglishRelated topics: Roadstraffic circleˈtraffic ˌcircle noun [countable] American EnglishTTR a circular place where two or more roads join, which all traffic must drive around SYN roundabout British EnglishExamples from the Corpustraffic circle• Route 6 came over the river, wound around a traffic circle, and disappeared into the wilderness.