tibialia

from The Collaborative International Dictionary of English v.0.48

Tibiale \Tib`i*a"le\, n.; pl. {Tibialia}. [NL.] (Anat.)
   The bone or cartilage of the tarsus which articulates with
   the tibia and corresponds to a part of the astragalus in man
   and most mammals.
   [1913 Webster]