Noise of a donkey (4)
I believe the answer is:
bray
'noise of a donkey' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for bray that I've seen before include "Its vicar was adaptable" , "Donkey's cry" , "Cry of animal" , "renegade vicar's place" , "where musical vicar lived" .)