Source : Webster's Revised Unabridged Dictionary (1913)

Colugo \Co*lu"go\, n. [Prob. an aboriginal name.] (Zo["o]l.)
   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}.