buccinator

noun

buc·​ci·​na·​tor ˈbək-sə-ˌnā-tər 

: a thin broad muscle forming the wall of the cheek

Word History

Etymology

New Latin, from Latin bucinator trumpeter, from bucinare to sound on the trumpet, from bucina trumpet, from bov-, bos cow + canere to sing, play — more at cow, chant

First Known Use

1615, in the meaning defined above

Medical Definition

buccinator

noun

buc·​ci·​na·​tor ˈbək-sə-ˌnāt-ər 

: a thin broad muscle forming the wall of the cheek and serving to compress the cheek against the teeth and to retract the angle of the mouth

called also buccinator muscle