Word Study
olecranon
CIDE DICTIONARY
olecranon, n. [NL., fr. Gr. ; elbow + krani`on the head.].
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. [1913 Webster]
OXFORD DICTIONARY
olecranon, n. a bony prominence on the upper end of the ulna at the elbow.
Etymology
Gk ole(no)kranon f. olene elbow + kranion head
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