Part of strange lore (4)
I believe the answer is:
role
'part' is the definition.
(eg a theatrical role)
'strange lore' is the wordplay.
'strange' is an anagram indicator.
'lore' anagrammed gives 'ROLE'.
'of' is the link.
(Other definitions for role that I've seen before include "Part played (in life?)" , "Duty" , "Function in life" , "Part in play, film etc" , "Function; part" .)