The Collaborative International Dictionary of English v.0.48:

Talipes \Tal"i*pes\, n. [NL., fr. L. talus an ankle + pes,
   pedis, a foot; cf. L. talipedare to be weak in the feet,
   properly, to walk on the ankles.] (Surg.)
   The deformity called clubfoot. See Clubfoot.
   [1913 Webster]

   Note: Several varieties are distinguished; as, Talipes
         varus, in which the foot is drawn up and bent inward;
         T. valgus, in which the foot is bent outward; T.
         equinus, in which the sole faces backward and the
         patient walks upon the balls of the toes; and T.
         calcaneus (called also talus), in which the sole
         faces forward and the patient walks upon the heel.
         [1913 Webster]