Definition of malleolus in English:

malleolus

noun

Anatomy
  • A bony projection with a shape likened to a hammer head, especially each of those on either side of the ankle.

    • ‘Arterial ulcers tend to occur over the distal part of the leg, especially the lateral malleoli, dorsum of the feet, and the toes.’
    • ‘On examination he had mild swelling and tenderness around the medial malleolus of his left ankle.’
    • ‘A venous wound often occurs near the medial malleolus; it is jagged in shape, quite shallow, and usually is not painful.’
    • ‘The medial and lateral malleoli of the tibia and fibula stabilize the talus.’
    • ‘A metal hinge located at the lateral and medial malleoli permits both dorsiflexion and plantar flexion.’

Origin

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

Pronunciation:

malleolus

/maˈliːələs/