Definition of malleolus in English:

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Pronunciation: /maˈliːələs/

noun (plural malleoli /maˈliːəlʌɪ/)

A bony projection with a shape likened to a hammer head, especially each of those on either side of the ankle.
Example sentences
  • On examination he had mild swelling and tenderness around the medial malleolus of his left ankle.
  • Arterial ulcers tend to occur over the distal part of the leg, especially the lateral malleoli, dorsum of the feet, and the toes.
  • A venous wound often occurs near the medial malleolus; it is jagged in shape, quite shallow, and usually is not painful.


Late 17th century: from Latin, diminutive of malleus 'hammer'.

For editors and proofreaders

Line breaks: mal|le¦olus

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