maxilla (mækˈsɪlə) ![]() | |
| —n , pl -lae | |
| 1. | See jaw the upper jawbone in vertebrates |
| 2. | any member of one or two pairs of mouthparts in insects and other arthropods used as accessory jaws |
| [C17: New Latin, from Latin: jaw] | |
| maxillar | |
| —adj | |
| max'illary | |
| —adj | |
| middle one of a chain of three small bones in the middle ear |
| vertebrae of the lumbar spine |
maxilla max·il·la (māk-sĭl'ə)
n. pl. max·il·las or max·il·lae (māk-sĭl'ē)
Either of a pair of irregularly shaped bones of the skull, fusing in the midline, supporting the upper teeth, and forming part of the eye sockets, hard palate, and nasal cavity; upper jaw.
| maxilla (māk-sĭl'ə) Pronunciation Key
Plural maxillae (māk-sĭl'ē) or maxillas The upper part of the jaw in vertebrate animals. |