Camelot king (6)
I believe the answer is:
arthur
'camelot king' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for arthur that I've seen before include "- - Lowe (actor)" , "Round Table king" , "Sir --- Conan Doyle" , "See 25" , "See 21" .)