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masseter

[ma-see-ter]
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noun Anatomy.
  1. a short, thick, masticatory muscle, the action of which assists in closing the jaws by raising the mandible or lower jaw.

Origin of masseter

1660–70; < New Latin < Greek massētḗr, variant of masētḗr chewer, masseter, equivalent to masē-, variant stem of masâsthai to chew + -tēr agentive suffix
Related formsmas·se·ter·ic [mas-i-ter-ik] /ˌmæs ɪˈtɛr ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for masseter

masseter

noun
  1. anatomy a muscle of the cheek used in moving the jaw, esp in chewing
Derived Formsmasseteric (ˌmæsɪˈtɛrɪk), adjective

Word Origin

C17: from New Latin from Greek masētēr one who chews, from masāsthai to chew
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012