n, pl  -bria  also  -bri*ums  :  an anatomical process or part shaped like a handle: as  a  :  the cephalic segment of the sternum of humans and many other mammals that is a somewhat triangular flattened bone with anterolateral borders which articulate with the clavicles  b  :  the process of the malleus of the ear .
 
 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2026.