Husband of the Virgin Mary (6)
I believe the answer is:
joseph
'husband of the virgin mary' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for joseph that I've seen before include "feature of 21/23 [NATIVITY SCENE]" , "Mary's husband" , "Husband to Virgin Mary" , "Lloyd Webber musical hero" , "- Conrad, novelist (Lord Jim)" .)