olecranon Meaning, Definition & Usage

  1. 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
    olecranon process.

WordNet

O*lec"ra*non noun
Etymology
NL., fr.Gr. elbow + the head.
Definitions
  1. (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.

Webster 1913