Definition of olecranon in English:

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Pronunciation: /əʊˈlɛkrənɒn/
Pronunciation: /ˌəʊlɪˈkreɪnən/


A bony prominence at the elbow, on the upper end of the ulna.
Example sentences
  • The olecranon is the bony landmark identified as the elbow in surface anatomy.
  • Patients with longstanding gout may have tophi over the olecranon prominence, first metatarsal joints, or pinnae.
  • Valgus instability can be detected by applying valgus stress to the elbow at 20 [degrees] to 30 [degrees] of flexion to unlock the olecranon from its fossa.


Early 18th century: from Greek ōle(no)kranon, from ōlenē 'elbow' + kranion 'head'.

For editors and proofreaders

Line breaks: olec¦ra|non

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