n. The bony process at the top of the ulna forming the point of the elbow.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. A process forming the upper or proximal end of the ulna.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
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
Word Usage
"The olecranon is a large, thick, curved eminence, situated at the upper and back part of the ulna."