chinbone

noun

chin·bone ˈchin-ˌbōn

: mandible

especially : the median anterior part of the human mandible

Word History

First Known Use

before the 12th century, in the meaning defined above

Time Traveler

The first known use of chinbone was before the 12th century

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Cite this Entry

Style

“Chinbone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chinbone. Accessed 30 Oct. 2025.

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Medical Definition

chinbone

noun

chin·bone ˈchin-ˈbōn, -ˌbōn

: jaw sense 1b

especially : the median anterior part of the bone of the human lower jaw

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