B2 [C] a circle of any material, or any group of things or people in a circular shape or arrangement: The game involved throwing metal rings over a stick. The children sat in a ring around the teacher.Spherical, circular and annular objectsGeometrical shapesThings collected in lines or rings A2 [C] a circular piece of jewellery worn especially on your finger: He bought her a diamond/emerald, etc. ring (= a ring with a jewel fixed to it).Jewellery › [C] a group of people who help each other, often secretly and in a way that is to their advantage: a drug ring a spy ring → See also ringleaderGroups of people › [C] (US usually element) a circular piece of material often made of metal that can be heated in order to be used for cooking: a gas ring an electric ringKitchen appliances › [C] a special area where people perform or compete: a boxing ring The horses trotted round the ring. → See also ringsideSurfaces on which sports take place rings [plural] › two round handles at the ends of two long ropes that hang from the ceiling and are used in gymnasticsGymnastics