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]
                                            
                                        
