Crossword Genius

Handing over a vehicle (10)

Ross

I believe the answer is:

conveyance

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

'vehicle' is the definition.
(thesaurus)

'handing over a' is the wordplay.
I cannot quite understand how this works, but
'over' could be 'on' (physically on top of) and 'on' is present in the answer.
'a' could be 'an' and 'an' is found within the answer.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for conveyance that I've seen before include "Legal document" , "might be a trap" .)

I've seen this clue in The Guardian.
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