(n.) 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.
Example Sentences:
(1) Until such puzzles are resolved, the possible but doubtful existence of entotympanics in plesiadapoids and inferred pre-primate ancestors cannot buttress claims for alleged ties between primates and certain entotympanic-bearing eutherians (principally bats, colugos and tree shrews).