1. the upper and lower bony structures in vertebrates that hold the teeth and form the framework of the mouth
Usage: anatomy
2. the mouth of a person or animal, especially when considered as threatening or devouring
3. the gripping parts of a tool or machine that hold or crush something
Usage: mechanical

Examples

• The dentist examined her upper and lower jaws.
• The lion opened its massive jaws and roared.
• He barely escaped from the jaws of the crocodile.
• The vise’s steel jaws held the metal piece firmly.
• Tighten the jaws of the wrench around the bolt.
• The ship sailed into the jaws of the harbor.
• They were rescued from the jaws of death.