Cash for bread or gravy, for example (7)
I believe the answer is:
synonym
'cash for bread or gravy for example' is the definition.
('cash', 'bread' and 'gravy' are synonyms)
This is the entire clue.
(Other definitions for synonym that I've seen before include "Quick crossword clue" , "Equivalent word" , "Alternative word" , "My sonny (anag)" , "Substitute brought in for a term" .)