tarsus
/ˈtɑːsəs/noun
(pl. tarsi /-saɪ/)
1
- Anatomy a group of small bones between the main part of the hindlimb and the metatarsus in terrestrial vertebrates. The seven bones of the human tarsus form the ankle and upper part of the foot. They are the talus, calcaneus, navicular, and cuboid, and the three cuneiform bones.【剖】脚踝跗骨。
1.1
- Zoology the shank or tarsometatarsus of the leg of a bird or reptile【动】（鸟, 爬行动物的）跗骨。
1.2
- Zoology the foot or fifth joint of the leg of an insect or other arthropod, typically consisting of several small segments and ending in a claw【动】（昆虫和其他节肢动物的）跗节。
2
- Anatomy a thin sheet of fibrous connective tissue which supports the edge of each eyelid【剖】睑板。
词源
late Middle English: modern Latin， from Greek tarsos 'flat of the foot， the eyelid'.