planet wheel

noun

: a gear wheel that revolves around the wheel with which it meshes in an epicyclic train

Word History

First Known Use

1799, in the meaning defined above

Time Traveler
The first known use of planet wheel was in 1799

Dictionary Entries Near planet wheel

Cite this Entry

“Planet wheel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planet%20wheel. Accessed 29 May. 2024.

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