Bishop's headdress (5)

I think it could be either:

nitre

mitre

'bishop's headdress' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for mitre that I've seen before include "One identifies bishop" , "Type of joint - bishop's hat" , "A bishop's tall hat" , "Bishop's cap - wood joint" , "Bishop's headwear" .)

I've seen this clue in The Telegraph, The Mirror, the Sydney Morning Herald, The Independent, the Evening Standard and The Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.