rockshaft

noun

rock·​shaft ˈräk-ˌshaft How to pronounce rockshaft (audio)
: a shaft that oscillates on its journals instead of revolving

Word History

First Known Use

circa 1864, in the meaning defined above

Time Traveler
The first known use of rockshaft was circa 1864

Dictionary Entries Near rockshaft

rocks glass

rockshaft

rock shell

See More Nearby Entries 

Cite this Entry

“Rockshaft.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rockshaft. Accessed 27 Mar. 2023.

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