- the bony protuberance on either side of the ankle, at the lower end of the fibula or of the tibia.
Origin of malleolus
1685–95; < Latin: small hammer, mallet, equivalent to malle(us) hammer + -olus -ole1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- either of two rounded bony projections of the tibia and fibula on the sides of each ankle joint
Word Origin for malleolus
C17: diminutive of Latin malleus hammer
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
bone knob at the ankle, 1690s, from Latin malleolus, diminutive of malleus "a hammer" (see mallet). Anatomical use is said to date to Andreas Vesalius (1514-1564).
Online Etymology Dictionary, © 2010 Douglas Harper
- A rounded bony prominence, such as those on either side of the ankle joint.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.