Wild crane with a beautiful greyish gloss (5)

I believe the answer is:

nacre

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'a beautiful greyish gloss' is the definition.
Although both the answer and definition are singular nouns, I cannot see how one could define the other.

'wild crane' is the wordplay.
'wild' is an anagram indicator.
'crane' anagrammed gives 'NACRE'.

'with' acts as a link.

Can you help me to learn more?

(Other definitions for nacre that I've seen before include "Pearl's mum" , "inside of shell" , "valuable material" , "Mother-of-pearl from shellfish" , "Mother of pearl" .)

I've seen this clue in the Evening Standard.

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