phalanger

from WordNet (r) 3.0 (2006)

phalanger
    n 1: small furry Australian arboreal marsupials having long
         usually prehensile tails [syn: {phalanger}, {opossum},
         {possum}]

from The Collaborative International Dictionary of English v.0.48

Phalanger \Pha*lan"ger\, n. [Cf. F. phalanger. See {Phalanx}.]
   (Zool.)
   Any marsupial belonging to {Phalangista}, {Cuscus},
   {Petaurus}, and other genera of the family
   {Phalangistid[ae]}. They are arboreal, and the species of
   {Petaurus} are furnished with lateral parachutes. See {Flying
   phalanger}, under {Flying}.
   [1913 Webster]