1. [ noun ] (anatomy,zoology) the lower jawbone in vertebrates; it is hinged to open the mouth
Synonyms: lower_jaw submaxilla mandibula jawbone lower_jawbone mandibular_bone mandible
Related terms: os jaw articulator lantern_jaw jaw symphysion condylar_process pogonion coronoid_process_of_the_mandible mandibular_notch gonion gnathion
2. [ noun ] a fullness and looseness of the flesh of the lower cheek and jaw (characteristic of aging)
Related terms: feature face
Similar spelling:   jowly