Noun
a wheel that drives a motor vehicle (transforms torque into a tractive force)
Source: WordNetNo braking system was fitted; the vehicle was stopped by raising and lowering the rear driving wheel using a foot-operated lever; the weight of the machine was then borne by two small castor wheels. Source: Internet
This unique engine was designed to idle at 100 rpm and cruise at 250-1200 rpm through the use of direct-drive torque converters on each driving wheel instead of a transmission. Source: Internet
The engine was liquid-cooled, with a radiator over the rear driving wheel. Source: Internet
In the process, it powers a piston that transmits power directly through a connecting rod (US: main rod) and a crankpin (US: wristpin) on the driving wheel (US main driver) or to a crank on a driving axle. Source: Internet
On one cycle of the driving wheel there is a variation of the angular position of the driven wheel by one quarter of a cycle, and a constant angular position on the remainder of the cycle. Source: Internet