Ring definition
A circular piece or band of metal. See balk ring , chainring , chrome ring , compression ring , flywheel ring gear , lockring , oil control ring , oil ring , o-ring , piston ring , piston ring, chrome , piston ring, compression , piston ring end gap , piston ring expander , piston ring groove , piston ring job , piston ring, pinned , piston ring ridge , piston ring side clearance , ring and pinion , ringbolt , ring gear , slip ring , and snap ring .