maxillary
/mækˈsɪlərɪ/adjective
1- Anatomy & Zoology of or attached to a jaw or jawbone, especially the upper jaw【剖, 动】颌（骨）的; 上颌（骨）的：
a maxillary fracture
颌骨骨折
maxillary teeth.
上颌牙。
1.1
- of or relating to the maxillae of an arthropod（节肢动物）下颚的。
词源
early 17th cent.: from MAXILLA, probably suggested by Latin maxillaris.