Some medieval brass providing cover for priest (3)
I believe the answer is:
alb
'cover for priest' is the definition.
'alb' can be an answer for 'cover' (I've seen this before). I am unsure of the 'for priest' bit.
'some medieval brass providing' is the wordplay.
'some' indicates a hidden word (some parts of the word are used).
'ALB' is hidden within 'medieval brass providing'.
Can you help me to learn more?
(Other definitions for alb that I've seen before include "Without hindrance" , "White clerical garment" , "clerical belongings" , "Long white church vestment" , "Cover" .)