: a band of fibers and especially nerve fibers

Word History

Etymology

New Latin, from Latin, ribbon, from Greek lēmniskos

First Known Use

circa 1905, in the meaning defined above

Time Traveler
The first known use of lemniscus was circa 1905

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Cite this Entry

“Lemniscus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lemniscus. Accessed 7 Jul. 2026.

Medical Definition

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