| either of two sloths of the genus Choloepus, having two claws on the forelimbs and three on the hind limbs, including C. didactylus and C. hoffmanni. |
sloth (slôth, slōth, slŏth) n.
[Middle English slowth, from slow, slow; see slow.] |
u·nau also u·nai (yōō'nô, ōō'nou) n. pl. u·naus also u·nais See sloth. [Portuguese, from Tupi uná, lazy.] |