A ring so battered for young lady (7)
I believe the answer is:
signora
'young lady' is the definition.
(Italian term for a lady)
'a ring so battered' is the wordplay.
'battered' is an anagram indicator.
'a'+'ring'+'so'='aringso'
'aringso' is an anagram of 'SIGNORA'.
'for' acts as a link.
(Other definitions for signora that I've seen before include "Italian equivalent of madam" , "Italian madam or Mrs" , "lady in Milan" , "Italian lady" , "European lady" .)