Driver's compartment in a lorry (3)
I believe the answer is:
cab
'driver's compartment in a lorry' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cab that I've seen before include "info for citizens provided here" , "An American taxi" , "Driver's compartment, in lorry say" , "Organisation to collect money made from crime" , "Transport" .)