Crossword Genius

Scratching both sides, curse wide vehicle (3)

Ross

I believe the answer is:

bus

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

'vehicle' is the definition.
(public transport vehicle)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for bus that I've seen before include "Means of public transport" , "eg Double-decker" , "Public transport vehicle" , "Something caught" , "Public service vehicle" .)

I've seen this clue in The Independent.
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