Crossword Genius

In the car, I take the wheel (4)

Ross

I believe the answer is:

axle

'i take the wheel' is the definition.
(I've seen this before)

I don't understand the rest of the clue.

(Other definitions for axle that I've seen before include "need of wheeled cart?" , "Rod making wheels turn" , "Rotating rod carrying wheels" , "Pin on which a wheel turns" , "Shaft on which wheels rotate" .)

I've seen this clue in The Guardian.
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