driving wheel

noun

: a wheel that communicates motion: such as
a
: one of the large wheels of a locomotive to which the side rods are attached and which are driven by the engine connecting rods : driver
b
: the main wheel of a watch or clock that transmits the driving power of the spring, weight, or electromagnetic impulse to the succeeding parts of the train

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Dictionary Entries Near driving wheel

Cite this Entry

“Driving wheel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/driving%20wheel. Accessed 27 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!