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

Rhymes for rockshaft

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Browse Nearby Words

rocks glass
rockshaft
rock shell
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Cite this Entry

“Rockshaft.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rockshaft. Accessed 3 May. 2025.

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