Refined gelatine mixture without a pig's guts (7)
I believe the answer is:
elegant
'refined' is the definition.
(associated in meaning)
'gelatine mixture without a pig's guts' is the wordplay.
I cannot really see how this works, but
'a' could be 'an' and 'an' is present in the answer.
This may be the basis of the clue (or it may be nonsense).
(Other definitions for elegant that I've seen before include "Fine" , "Modish" , "Polished" , "Refined gracefulness" , "Ingenious" .)