Chaldean cleric? (4)

I believe the answer is:

dean

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'chaldean cleric?' is the definition.
'dean' can be an answer for 'cleric?' (I've seen this in other clues). I'm not certain of the 'chaldean' bit.

'chaldean cleric?' is the wordplay.
'DEAN' is hidden within the letters.
However, I am not sure how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for dean that I've seen before include "College official" , "Torvill's ice dancing partner" , "One is in charge of a university department" , "Cathedral chapter head" , "Ice dancer" .)

I've seen this clue in the Evening Standard.

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