[oh-lek-ruh-non, oh-li-krey-non]
noun Anatomy.
the part of the ulna beyond the elbow joint.

1720–30; < Neo-Latin < Greek ōlékrānon point of the elbow, short for ōlenókrānon, equivalent to ōlén(ē) elbow + -o- -o- + krān(íon) head (see cranium) + -on neuter noun suffix

olecranal [oh-lek-ruh-nl, oh-li-kreyn-l] , olecranial, olecranian, olecranioid, adjective
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World English Dictionary
olecranon (əʊˈlɛkrəˌnɒn, ˌəʊlɪˈkreɪnən)
anatomy the bony projection of the ulna behind the elbow joint
[C18: from Greek, shortened from ōlenokrānon, from ōlenē elbow + krānion head]

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American Heritage
Medical Dictionary

olecranon o·lec·ra·non (ō-lěk'rə-nŏn')
The large process on the upper end of the ulna that projects behind the elbow joint and forms the point of the elbow.

o·lec'ra·nal (-nəl) or o'le·cra'ni·al (ō'lĭ-krā'nē-əl) or o'le·cra'ni·an (-nē-ən) adj.
The American Heritage® Stedman's Medical Dictionary
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