Crossword Genius

Archdeacon always displaying specious refinement (6)

Ross

I believe the answer is:

veneer

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'specious refinement' is the definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

'archdeacon always' is the wordplay.
'archdeacon' becomes 'ven'.
'always' becomes 'eer' (poetic way of saying ever).
'ven'+'eer'='VENEER'

'displaying' is the link.

Can you help me to learn more?

(Other definitions for veneer that I've seen before include "Misleading external appearance" , "Thin wooden surface" , "Finish" , "False front" , "A thin outer layer" .)

I've seen this clue in The Times.
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