Cranium (5)
'cranium' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for skull that I've seen before include "Brainbox" , "The head-bone" , "Bony case of brain" , "Bony skeleton of the head" , "Cranium" .)
'cranium' is the definition.
(synonyms)
This is the entire clue.