Masseter
[mæ'si:tә]
Definition
(noun.) a large muscle that raises the lower jaw and is used in chewing.
Typist: Shelley--From WordNet
Definition
(n.) The large muscle which raises the under jaw, and assists in mastication.
Editor: Rochelle
Definition
n. a muscle which raises the under jaw and thus closes the mouth.
Checked by Bertrand