noun
( BrE ) a 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
noun
( BrE ) a 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
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005