Mandible
01
下顎骨, 下顎
(anatomy) (zoology) either half of the jawbone, especially the lower jawbone that helps a vertebrate open and close its mouth
02
下顎, 鳥のくちばしの下部または上部
the lower or upper part of a bird's beak
03
大顎, 下顎
either of the two oral appendages near an insect's mouth



























