Outdoor garment technocrat ordered (6,4)

I believe the answer is:

trench coat

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'outdoor garment' is the definition.
'trench coat' can be an answer for 'garment' (trench coat is a kind of garment). I'm not certain of the 'outdoor' bit.

'technocrat ordered' is the wordplay.
'ordered' indicates anagramming the letters.
'technocrat' anagrammed gives 'TRENCH-COAT'.

Can you help me to learn more?

(Other definitions for trench coat that I've seen before include "Military-style garment" , "Military rainwear" , "waterproof garment" , "Military overgarment" , "item of clothing" .)

I've seen this clue in The Telegraph.

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