1. either of two bones, the mandible or maxilla, forming the framework of the mouth.
2. the part of the face covering these bones, the mouth, or the mouth parts collectively: My jaw is swollen.
3. jaws, anything resembling a pair of jaws or evoking the concept of grasping and holding: the jaws of a gorge; the jaws of death.
4. Machinery. one of two or more parts, as of a machine, that grasp or hold something: the jaws of a vise. any of two or more protruding parts for attaching
"fragments can be jaw."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.