Crossword Genius

A medium in Middle Eastern country has head in the clouds perhaps (6)

Ross

I believe the answer is:

airman

I'm a little stuck... Click here to teach me more about this clue!

'head in the clouds perhaps' is the definition.
I can't tell whether this defines the answer.

'a medium in middle eastern country' is the wordplay.
'medium' becomes 'm' (as in UK clothing sizes).
'in' means one lot of letters goes inside another.
'middle eastern country' becomes 'iran' (I've seen this before).
'm' placed into 'iran' is 'irman'.
'a'+'irman'='AIRMAN'

'has' acts as a link.

Can you help me to learn more?

(Other definitions for airman that I've seen before include "Marina (anag)" , "Male flyer" , "Flier" , "crew member" , "He flies" .)

I've seen this clue in the Irish Times (Crosaire) and the Irish Times.
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