Physician for Fluffy (3)
I believe the answer is:
vet
'physician for fluffy' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for vet that I've seen before include "A small animal doctor" , "Scrutinise" , "Examine carefully - might one help a lame duck?" , "Screen" , "Critically examine" .)