"Water" dog (7)
I believe the answer is:
spaniel
'water dog' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for spaniel that I've seen before include "See 13" , "Droopy-eared dog" , "Breed of dog" , "Springer- - -" , "Dog - leaps in (anag)" .)