Motoring club? (6)

I believe the answer is:

driver

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

This clue could be a double definition.

'motoring' is the first definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

'club?' is the second definition.
(type of golf club)

Can you help me to learn more?

(Other definitions for driver that I've seen before include "Flat-faced golf club" , "Type of golf club" , "Member of RAC" , "Golf-club for a motorist" , "Motorist - golf club" .)

I've seen this clue in the Evening Standard.

Want a hint initially instead of a full solution? Install my app