noun
- the lower jaw of a person or animal
Examples
- The dentist examined her underjaw for signs of decay.
- The dog’s underjaw protruded slightly beyond the upper jaw.
- He felt pain in his underjaw after the dental procedure.
- The fossil showed a well-preserved underjaw from an ancient mammal.
- She massaged her underjaw to relieve the tension.
- The boxer took a hard hit to his underjaw during the match.