The Collaborative International Dictionary of English v.0.48:

Colugo \Co*lu"go\, n. [Prob. an aboriginal name.] (Zool.)
   A peculiar East Indian mammal (Galleopithecus volans),
   having along the sides, connecting the fore and hind limbs, a
   parachutelike membrane, by means of which it is able to make
   long leaps, like the flying squirrel; -- called also flying
   lemur.
   [1913 Webster]