For a springer, it means "heel"! (7)
I believe the answer is:
bounder
'heel' is the definition.
(synonyms)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for bounder that I've seen before include "Dishonourable man (dated colloq.)" , "A cad - or a kind of jumper" , "Untrustworthy type (once)" , "despicable man" , "The skipper" .)