Olecranon

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  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 [syn: {olecranon process}]