| Masseter (n.) The large muscle which raises the under jaw, and assists in mastication. Thesaurus Entries adductor, arm, buccinator, elbow, forearm, gemellus, gluteus maximus, infraspinatus, intercostal, latissimus dorsi, levator, masseter, mentalis, mylohyoid, nasalis, oblique, occipitalis, omohyoid, pectineus, pectoralis, peroneus, sphincter, tensor, trapezius, triceps, upper arm, wrist |