Crossword Genius

Wordage of law written by church figure (7)

Ross

I believe the answer is:

lexicon

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'wordage' is the definition.
(thesaurus)

'law written by church figure' is the wordplay.
'law' becomes 'lex' (Latin for 'law').
'written by church figure' becomes 'icon' (I can't explain this - if you can you should give a lot more credence to this answer).
'lex'+'icon'='LEXICON'

'of' acts as a link.

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(Other definitions for lexicon that I've seen before include "Wordbook" , "Vocabulary - dictionary" , "(Classical) dictionary" , "set of terms" , "Word reference book" .)

I've seen this clue in the Sydney Morning Herald.
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