buccinator

buc.ci.na.tor

n.（名词）
The thin, flat muscle forming the wall of the cheek.
颊肌：形成脸颊外壁的薄而扁平的肌肉

来源：
Latin buccin3tor [trumpeter (from its being the chief muscle used in blowing)]
Latin buccin3tor [trumpeter (from its being the chief muscle used in blowing)]
from buccin3tus [past participle of] buccin3re [to blow a horn]
from buccin3tus [past participle of] buccin3re [to blow a horn]
from bôcina, buccina [horn, trumpet] * see g wou-
from bôcina, buccina [horn, trumpet] *参见 g wou-