Platysma
/pləˈtɪz.mə/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A superficial muscle of the human neck that overlaps the sternocleidomastoid.
- 2 either of two broad muscles located on either side of the neck and innervated by the facial nerve; extends from lower jaw to clavicle and is involved in moving the mouth and jaw wordnet
Etymology
Borrowed from New Latin platysma, from Ancient Greek πλᾰ́τῠσμᾰ (plắtŭsmă, “flat object”), from πλᾰτῠ́νω (plătŭ́nō, “widen”) + -μᾰ (-mă, “nominal suffix”).