driving wheel

|

noun

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. 2019

Examples from the Web for driving wheel

British Dictionary definitions for driving wheel

driving wheel


noun

a wheel, esp a gear wheel, that causes other wheels to rotate
any wheel of a vehicle that transforms torque into a tractive force
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012