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malleolus

American  
[muh-lee-uh-luhs] / məˈli ə ləs /

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 British  
/ məˈliːələs /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • malleolar adjective

Etymology

Origin of malleolus

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The bony expansion on the medial side of the distal tibia is the medial malleolus.

From Textbooks • Jun. 19, 2013

These ligaments extend from the medial malleolus of the tibia or lateral malleolus of the fibula and anchor to the talus and calcaneus bones.

From Textbooks • Jun. 19, 2013

The outside area of his foot beneath and around the lateral malleolus was the first to require any real contortion.

From The New Yorker • Feb. 28, 2011

An MRI scan on Thursday revealed a break in the medial malleolus, on the inside part of Yao's ankle, but the 30-year-old Chinese has not yet decided on how he wants to proceed.

From Reuters • Dec. 18, 2010

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

From Artistic Anatomy of Animals by Cuyer, ?douard