magic circleEnglishOxford Dictionary of Englishmagic circle /ˌmadʒɪk ˈsəːkl / ▸ noun 1 a small group of people privileged to receive confidential information or make important decisions: her magic circle of friends and advisers. 2 (Magic Circle) (in the UK) a society of conjurors: the youngest female member in the history of the Magic Circle.