[tar.sus] n, pl tar.si [NL, fr. Gk tarsos wickerwork mat, flat of the foot, ankle, edge of the eyelid; akin to Gk tersesthai to become dry--more at thirst] (1676) 1: the part of the foot of a vertebrate between the metatarsus and the leg; also: the small bones that support this part of the limb
2: the tarsal plate of the eyelid
3: the distal part of the limb of an arthropod
4: tarsometatarsus