Definitions for: Olecranon

[n] 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

Webster (1913) Definition: 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.

Synonyms: olecranon process

See Also: appendage, elbow bone, outgrowth, process, ulna