Tailless feline breed (4,3)
I believe the answer is:
manx cat
'tailless feline breed' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for manx cat that I've seen before include "Type of feline" , "creature of endless renown" , "Short-tailed feline" , "Tailless animal" , "Tail-less feline from Isle of Man" .)