Body part that smells (4)
I believe the answer is:
nose
'body part that smells' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for nose that I've seen before include "Nuzzle" , "blow it!" , "Organ of face" , "Olfactory organ" , "Bouquet of wine; beak" .)