Ta·lus n.; pl. Tali
  1. Anat. The astragalus.
  2. Surg. A variety of clubfoot (Talipes calcaneus). See the Note under Talipes.
  talus
       n 1: a sloping mass of loose rocks at the base of a cliff [syn: scree]
       2: the bone in the ankle that articulates with the leg bones to
          form the ankle joint [syn: anklebone, astragal, astragalus]
       [also: tali (pl)]