a large muscle that raises the lower jaw and is used in chewing
masseter详细解释
mas.se.ter n.（名词）A thick muscle in the cheek that closes the jaws during chewing.咬肌：一块颊内咀嚼时靠近下颔厚块肌肉 来源：New Latin 现代拉丁语 from Greek masôtôr 源自 希腊语 masôtôr from masasthai [to chew] 源自 masasthai [咀嚼] 【引伸】 mas.seter.ic
