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Noun: olecranon  ow'le-kru,nón
  1. 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
    - olecranon process

Derived forms: olecranons

Type of: appendage, outgrowth, process

Part of: elbow bone, ulna

Encyclopedia: Olecranon