rockshaft

noun
rock·​shaft | \ ˈräk-ˌshaft How to pronounce rockshaft (audio) \

Definition of rockshaft

: a shaft that oscillates on its journals instead of revolving

First Known Use of rockshaft

circa 1864, in the meaning defined above

Learn More About rockshaft

Time Traveler for rockshaft

Time Traveler

The first known use of rockshaft was circa 1864

See more words from the same year

Dictionary Entries Near rockshaft

rocks glass

rockshaft

rock shell

See More Nearby Entries 

Statistics for rockshaft

Cite this Entry

“Rockshaft.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rockshaft. Accessed 1 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Flower Edition

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Love words? Need even more definitions?

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