- tarsusA group of small bones in this part of the foot. The seven bones of the human tarsus form the ankle and upper part of the foot.
- tarsierAn insectivorous primate of the family Tarsiidae, having very large eyes and long feet, native mainly to several islands of Southeast Asia.
- tarsiidAny primate in the family Tarsiidae; a tarsier.
- tarsioidA tarsier or extinct relative; any member of the infraorder Tarsiiformes