Crossword Genius

Outstanding feature primarily of go-ahead Native American (7)

Ross

I believe the answer is:

chinook

'native american' is the definition.

'outstanding feature primarily of go-ahead' is the wordplay.
'outstanding feature' becomes 'chin' (facial feature).
'primarily' indicates taking the first letters.
'go-ahead' becomes 'ok' (to OK something is to give it the go-ahead).
The initial letter of 'of' is 'o'.
'chin'+'o'+'ok'='CHINOOK'

(Other definitions for chinook that I've seen before include "O in hock (anag)" , "nickname of US State" , "Native American - wind - helicopter" , "North American wind, native or language" , "Rocky Mountains' wind - helicopter" .)

I've seen this clue in The Times.
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