The jaw or a jawbone, especially the lower jawbone in mammals and fishes.
Any of various invertebrate mouthparts serving to hold or bite food materials.
One of the anterior pair of mouthparts of an arthropod, designed for holding and cutting food.
Either of the upper and lower segments of a bird's beak.
A percussion instrument, descendant of the jawbone, made of stiff wire connecting a wood ball to a block of wood with metal teeth inside, which when struck, creates a rattling sound.