ringring1 /rɪŋ/ ●●● noun [countable] 1 a piece of jewelry that you wear on your finger: a wedding ring a diamond ring2a circular line or mark: a dirty ring around the tub3an object in the shape of a circle: a key ring4a group of people or things arranged in a circle: a ring of young birch trees5a group of people who illegally control a business or criminal activity: a drug ring6the sound made by a bell, or the act of making this sound: a ring at the door7a small square area where people box or wrestle, or the large circular area surrounded by seats at a circus [Origin: (1) Old English hring]