malleolus

[muh-lee-uh-luhs]

noun

Anatomy.

plural

malleoli 

1. the bony protuberance on either side of the ankle, at the lower end of the fibula or of the tibia.

malleolus

/ məˈliːələs /

noun

1. either of two rounded bony projections of the tibia and fibula on the sides of each ankle joint

Other Word Forms

• malleolar adjective

Word History and Origins

Origin of malleolus¹

1685–95; < Latin: small hammer, mallet, equivalent to malle ( us ) hammer + -olus -ole ¹

Word History and Origins

Origin of malleolus¹

C17: diminutive of Latin malleus hammer

Example Sentences

Pain above right external malleolus.

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Uncus, ung′kus, n. a hook or claw, or a hook-like process: the head of the malleolus or lateral tooth of the mastax of a wheel-animalcule:—pl.

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Malleolus, ma-lē′ō-lus, n. a bony protuberance on either side of the ankle.—adj.

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The inferior extremity, less thick, is prolonged internally by a prominence which corresponds to the internal malleolus of man.

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Its inferior extremity, when it exists—it is this which disappears in animals which have the fibula incompletely developed—forms a prominence which, placed on the external surface of the inferior extremity of the tibia, articulates with the astragalus, and recalls the external malleolus of man.

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