[1] : The Collaborative International Dictionary of English v.0.48

malleolus \malle"olus\, n.; pl. malleoli. l., dim. of
   malleus hammer.
   1. anat. a projection at the distal end of each bone of the
      leg at the ankle joint. the malleolus of the tibia is the
      internal projection, that of the fibula the external.
      1913 webster

   2. " a layer, " a shoot partly buried in the ground, and
      there cut halfway through.
      1913 webster
see also:
malleoli 

Malleolus >> M Words
Malleolus, definition of term: Malleolus
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