Rich diva seldom finishes meat (3)
I believe the answer is:
ham
'meat' is the definition.
(ham is a kind of meat)
'rich diva seldom finishes' is the wordplay.
'finishes' indicates one should take the final letters.
The final letters of 'rich diva seldom' are 'HAM'.
(Other definitions for ham that I've seen before include "Upper leg meat" , "Licensed amateur radio operator" , "Thespian who overacts, informally" , "one rescued from flood" , "Poor person acting" .)