Crossword Genius

Geologist ran site screening course (7)

Ross

I believe the answer is:

transit

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

'course' is the definition.
(thesaurus)

'geologist ran site screening' is the wordplay.
'TRANSIT' is hidden in amongst the letters.
But, I am uncertain how the hidden word is indicated.

Can you help me to learn more?

(Other definitions for transit that I've seen before include "Conveyance of goods or people - tin star (anag)" , "Moving" , "Haulage" , "Travel" , "The act of carrying from one place to another" .)

I've seen this clue in The Independent.
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