1. (

• lower_jaw ,
• mandible ,
• mandibula ,
• mandibular_bone ,
• submaxilla ,
• lower_jawbone ,
• jawbone ,
• jowl

) the jaw in vertebrates that is hinged to open the mouth ;

2. (

• jowl ,

) a fullness and looseness of the flesh of the lower cheek and jaw (characteristic of aging) ;