Gong with a ribbon attached (5)
I believe the answer is:
medal
'gong' is the definition.
(gong can mean a prize or medal)
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for medal that I've seen before include "(Military) decoration" , "George Cross, for instance" , "Award for the soldier" , "Piece of metal as award or in commemoration" , "Award for service" .)