driving wheel
noun
1.
Machinery.
a main wheel that communicates motion to others.
2.
Also called
driver
.
Railroads.
one of the wheels of a locomotive that transmits the power of an engine or motor into tractive effort.
Origin
1830-40
Examples from the web for
driving wheel
The vehicles shall have adequate wheel well clearance to provide use of regular type tire chains on the
driving wheel
.
The opposite end of this shaft carries a gear meshing with a pinion rigidly attached to a spiked
driving wheel
.
On account of the heavy grade a cogged track is laid between the rails and in this gears the
driving wheel
of the engine.
The
driving wheel
the cover then falls and should he sufficiently con-shuts him out from the cave to carry the main world forever.
British Dictionary definitions for
driving wheel
driving wheel
noun
1.
a wheel, esp a gear wheel, that causes other wheels to rotate
2.
any wheel of a vehicle that transforms torque into a tractive force