Crossword Genius

Vehicle for French? (3)

Ross

I believe the answer is:

car

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

This could be a double definition.

'vehicle for' is the first definition.
(I've seen this in other clues)

'french?' is the second definition.
Although both the answer and definition are singular nouns, I cannot understand how one could define the other.

Can you help me to learn more?

(Other definitions for car that I've seen before include "Four-wheeled vehicle" , "Means of transport" , "Auto" , "Passenger vehicle" , "Private vehicle" .)

I've seen this clue in the Evening Standard.
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