Main Entry: mas·se·ter

Pronunciation: \mə-ˈsēt-ər, ma-\

Function: noun

: 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

[masseter illustration]

—mas·se·ter·ic \ˌmas-ə-ˈter-ik\ adjective