• synonyms


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

1720–30; < New 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
Related formso·lec·ra·nal [oh-lek-ruh-nl, oh-li-kreyn-l] /oʊˈlɛk rə nl, ˌoʊ lɪˈkreɪn l/, o·le·cra·ni·al, o·le·cra·ni·an, o·le·cra·ni·oid, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for olecranon

Historical Examples of olecranon

  • At the same time, the olecranon is curved strongly downwards.

    On Some Fossil Remains of Man

    Thomas H. Huxley

  • The olecranon fossa is deep and there is no ent-epicondylar foramen.

    The Vertebrate Skeleton

    Sidney H. Reynolds

  • In the dog, the olecranon fossa communicates with the coronoid by an opening.

  • In the region of the elbow-joint, cellulitis is common around the olecranon.

    Manual of Surgery

    Alexis Thomson and Alexander Miles

  • The ulna presents at its superior extremity a posterior process, the olecranon, which forms the point of the elbow.

British Dictionary definitions for olecranon


  1. anatomy the bony projection of the ulna behind the elbow joint
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Derived Formsolecranal (əʊˈlɛkrənəl, ˌəʊlɪˈkreɪnəl), adjective

Word Origin for olecranon

C18: from Greek, shortened from ōlenokrānon, from ōlenē elbow + krānion head
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

olecranon in Medicine


  1. The large process on the upper end of the ulna that projects behind the elbow joint and forms the point of the elbow.
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Related formso•lecra•nal (-nəl) null null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.