Second to right car (5)

I believe the answer is:

motor

'car' is the definition.
(thesaurus)

'second to right' is the wordplay.
'second' becomes 'mo' (both are short periods of time).
'right' becomes 'r' (common abbreviation).
'mo'+'to'+'r'='MOTOR'

(Other definitions for motor that I've seen before include "go quickly" , "Move fast" , "Driver" , "(Transport using) engine" , "Car - car's engine" .)

I've seen this clue in The Guardian.

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