What does "potto" mean?

Potto: (a) A nocturnal mammal (Perodictius potto) of the Lemur family, found in West Africa. It has rudimentary forefingers. Called also aposoro, and bush dog. (b) The kinkajou. POTT'S DISEASE Pott's" dis*ease". (Med.) Caries of the vertebræ, frequently resulting in curvature of the spine and paralysis of the lower extremities; -- so named from Percival Pott, an English surgeon. Pott's fracture, a fracture of the lower end of the fibula, with displacement of the tibia. Dunglison.