[医] 鹰嘴

[ noun ]
process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended
<noun.body>

Olecranon \O*lec"ra*non\, n. [NL., fr. Gr. ?; ? elbow + krani`on
the head.] (Anat.)
The large process at the proximal end of the ulna which
projects behind the articulation with the humerus and forms
the bony prominence of the elbow.