Dog-end? (4)
I believe the answer is:
tail
This clue is a double definition.
'dog' is the first definition.
('tail' can be a synonym of 'dog')
'end' is the second definition.
(tail is a kind of end)
(Other definitions for tail that I've seen before include "Follow the caudal appendage" , "Follow -- rear end" , "bum" , "Feebler batsmen" , "Dog - end" .)