mas·​se·​ter | \ mə-ˈsē-tər How to pronounce masseter (audio) , ma- \

Definition of masseter

: a large muscle that raises the lower jaw and assists in mastication

Other Words from masseter

masseteric \ ˌma-​sə-​ˈter-​ik How to pronounce masseter (audio) \ adjective

Examples of masseter in a Sentence

Recent Examples on the Web Injecting Botox into the masseter muscle, which connects your cheekbone to your lower jaw bone, temporarily paralyzes the muscle and can relieve tension headaches and other jaw pain. Taylore Glynn, Marie Claire, 12 Sep. 2021 It's been much longer than two weeks since my last round of injectables; in fact, everything has since dissolved since my most recent sessions of cheek filler and masseter Botox. Sarah Wu, Glamour, 6 Oct. 2020 Austin-Dright said the pellet lodged in the masseter muscle and that her son cannot open his jaw. Rick Hurd, The Mercury News, 14 Aug. 2019 My colleagues seem to particularly love masseter Botox (sometimes referred to as jaw Botox), a treatment with twofold results. Sarah Wu, Glamour, 28 May 2019 There are four injections total, two on each side, directed straight into your masseter muscle. Sarah Wu, Glamour, 28 May 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'masseter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of masseter

1578, in the meaning defined above

History and Etymology for masseter

New Latin, from Greek masētēr, from masasthai to chew — more at mandible

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Time Traveler for masseter

Time Traveler

The first known use of masseter was in 1578

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Cite this Entry

“Masseter.” Dictionary, Merriam-Webster, Accessed 26 Jan. 2022.

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More Definitions for masseter


mas·​se·​ter | \ mə-ˈsēt-ər, ma- How to pronounce masseter (audio) \

Medical Definition of masseter

: a large muscle that raises the lower jaw and assists in mastication, arises from the zygomatic arch and the zygomatic process of the temporal bone, and is inserted into the mandibular ramus and gonial angle

Other Words from masseter

masseteric \ ˌmas-​ə-​ˈter-​ik How to pronounce masseter (audio) \ adjective

More from Merriam-Webster on masseter Encyclopedia article about masseter


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