- Machinery. a main wheel that communicates motion to others.
- Also called driver. Railroads. one of the wheels of a locomotive that transmits the power of an engine or motor into tractive effort.
Origin of driving wheel
First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for driving wheel
The ratchet-wheel R is attached to the hub of the driving-wheel.
The driving-wheel is assumed to be on the further side of the ratchet.
On the level we want the driving-wheel to turn as fast as, or faster than, the chain-ring.
Lime appears to be the driving-wheel in the laboratory of the soil.The Peanut Plant
B. W. Jones
The half-crank, and method of attaching it to the driving-wheel.Illustrated Catalogue of Locomotives
M. Baird, et. al..
- a wheel, esp a gear wheel, that causes other wheels to rotate
- any wheel of a vehicle that transforms torque into a tractive force