Part of a head place of worship (6)
I believe the answer is:
temple
This clue is a double definition.
'part of a head' is the first definition.
('temple' is part of 'head')
'place of worship' is the second definition.
(temple is a kind of place of worship)
(Other definitions for temple that I've seen before include "Capital feature" , "London tube station" , "London lawyers' church" , "child actress ..." , "One of two archbishops" .)