olecranon

noun

olec·​ra·​non ō-ˈle-krə-ˌnän 

: the process of the ulna projecting behind the elbow joint

Word History

Etymology

New Latin, from Greek ōlekranon, from ōlenē elbow + kranion skull — more at ell, cranium

First Known Use

1578, in the meaning defined above

Medical Definition

olecranon

noun

olec·​ra·​non ō-ˈlek-rə-ˌnän 

: the large process of the ulna that projects behind the elbow, forms the bony prominence of the elbow, and receives the insertion of the triceps muscle