from the GNU version of the Collaborative International Dictionary of English
- n. type genus of the Bradypodidae, comprising the three-toed sloths.
from The Century Dictionary and Cyclopedia
- n. The typical genus of the family Bradypodidæ, containing the ai, or three-toed or collared sloth, B. tridactylus or torquatus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. type genus of the Bradypodidae: three-toed sloths
Sorry, no etymologies found.
So this is scientifically known as bradypus tridactylus, which means three toes, tri.
For the same reason the English call it 'sloth,' and it is known among naturalists as _bradypus_.
For the same reason the English call it ` sloth, 'and it is known among naturalists as _bradypus_.