the part of the ulna beyond the elbow joint.
Origin of olecranon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
anatomy the bony projection of the ulna behind the elbow joint
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
The large process on the upper end of the ulna that projects behind the elbow joint and forms the point of the elbow.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.