A player of king, turn having come round (6,4)
I believe the answer is:
tuning fork
'round' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe there's a link between them I don't understand?
'a player of king turn having come' is the wordplay.
'of king turn' anagrams to 'TUNING FORK'.
However, I am unsure how the anagram is indicated.
Can you help me to learn more?
(Other definitions for tuning fork that I've seen before include "Musician's aid for pitch" , "Metal implement that gives a fixed tone when struck" , "It helps musician" , "Device providing musical pitch" .)