WordReference Random House Unabridged Dictionary of American English © 2026
mas•se•ter
(ma sē′tər),USA pronunciation n. [Anat.]
mas•se•ter•ic
(mas′i ter′ik),USA pronunciation adj.
- Anatomya short, thick, masticatory muscle, the action of which assists in closing the jaws by raising the mandible or lower jaw.
- Greek massēté̄r, variant of masēté̄r chewer, masseter, equivalent. to masē-, variant stem of masâsthai to chew + -tēr agentive suffix
- Neo-Latin
- 1660–70;