The large process on the upper end of the ulna that projects behind the elbow joint and forms the point of the elbow.
[Greekōlekrānon : ōlene, elbow; see el- in the Appendix of Indo-European roots + krānion, skull, head; see ker-1 in the Appendix of Indo-European roots.]
o·lecra·nal(-nəl), o′le·crani·al(ō′li-krāne-əl), o′le·crani·an(-ne-ən)adj.
(click for a larger image)olecranon
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