Noisily peel fruit (4)
I believe the answer is:
pear
'fruit' is the definition.
(pear is a kind of fruit)
'noisily peel' is the wordplay.
'noisily' indicates a 'sounds like' (homophone) clue.
'peel' becomes 'pare' (synonyms).
'pare' sounds like 'PEAR'.
(Other definitions for pear that I've seen before include "Fruit sounds like two of a kind" , "Tapering fleshy fruit - reap it" , "Brand" , "Shapely fruit?" , "Orchard fruit" .)