Member of order such a train transported (10)

I believe the answer is:

carthusian

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'member of order' is the definition.
The definition suggests a singular noun which matches the answer.

'such a train transported' is the wordplay.
'transported' is an anagram indicator.
'such'+'a'+'train'='suchatrain'
'suchatrain' anagrammed gives 'CARTHUSIAN'.

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I've seen this clue in The Times.

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