noun, plural tar·si [tahr-sahy, -see] /ˈtɑr saɪ, -si/.

  1. Anatomy, Zoology. the bones of the proximal segment of the foot; the bones between the tibia and the metatarsus, contributing to the construction of the ankle joint.
  2. the small plate of connective tissue along the border of an eyelid.
  3. tarsometatarsus.
  4. the distal part of the leg of an insect, usually subdivided in the adult into two to five segments.


  1. a city in S Turkey, near the Mediterranean, on the Cydnus River: important seaport of ancient Cilicia; birthplace of Saint Paul.

noun plural -si (-saɪ)

  1. the bones of the ankle and heel, collectively
    1. the corresponding part in other mammals and in amphibians and reptiles
    2. another name for tarsometatarsus
  2. the dense connective tissue supporting the free edge of each eyelid
  3. the part of an insect’s leg that lies distal to the tibia


  1. a city in SE Turkey, on the Tarsus River: site of ruins of ancient Tarsus, capital of Cilicia, and birthplace of St Paul. Pop: 231 000 (2005 est)
  2. a river in SE Turkey, in Cilicia, rising in the Taurus Mountains and flowing south past Tarsus to the Mediterranean. Length: 153 km (95 miles)Ancient name: Cydnus

n.the ankle bones collectively, 1670s, Modern Latin, from Greek tarsos “ankle, sole of the foot, rim of the eyelid,” originally “flat surface, especially for drying,” from PIE root *ters- “to dry” (cf. Greek teresesthai “to be or become dry,” tersainein “to make dry;” Latin terra “land, ground, soil,” torrere “dry up, parch;” see terrain). n. pl. tar•si (-sī)

  1. The area of articulation between the foot and the leg, comprising the seven bones of the instep: the talus, calcaneus, navicular, three cuneiform, and cuboid bones.
  2. The fibrous plate that supports and shapes the edges of the eyelids.tarsal plate

Plural tarsi (tärsī, -sē)

  1. The group of seven bones lying between the leg and the metatarsals and forming part of the ankle.
  2. The group of bones lying between the leg and metatarsals in the hind feet in some vertebrates, such as dinosaurs and birds.
  3. A fibrous plate that supports and shapes the edge of the eyelid.
  4. The lower part of the leg of an arthropod, usually divided into segments.
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