Type of haircut for one of those getting knocked about in court
I believe the answer is:
tennis ball
'type' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps you can see an association between them that I can't see?
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for tennis ball that I've seen before include "Bouncer" , "Item hit with rackets" , "Something hit by racquets" , "Item for Wimbledon game" , "Wimbledon equipment" .)