: the external occipital protuberance of the skull

Examples of inion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Strike your tools in a rough horizontal line from the nose and cheekbones to the inion (the projecting bump at the back of the skull). — Ed Yong, Discover Magazine, 16 Feb. 2011

Word History

Etymology

New Latin, from Greek, back of the head, diminutive of in-, is sinew, tendon

First Known Use

circa 1811, in the meaning defined above

Time Traveler
The first known use of inion was circa 1811

Browse Nearby Words

Cite this Entry

“Inion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inion. Accessed 1 Oct. 2026.

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