taligrade

taligrade

(ˈtælɪˌɡreɪd)
adj
(Zoology) (of mammals) walking on the outer side of the foot
[C20: from New Latin, from Latin tālus ankle, heel + -grade]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014