Means of transport (8)
'means of transport' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for vehicle that I've seen before include "Means of conveyance" , "Structure for transporting" , "Medium" , "Conveyance for transporting passengers on land" , "Lorry perhaps" .)
(Other definitions for vehicles that I've seen before include "Cars, vans, etc" , "Means of conveyance on land" , "Cars, trains, etc" , "Conveyances" .)