buccinator: Meaning and Definition of

buc•ci•na•tor

Pronunciation: (buk'su-nā"tur), [key]
— n. Anat.
  1. a thin, flat muscle lining the cheek, the action of which contracts and compresses the cheek.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.