wallaby \wal"laby\, n.; pl. wallabies. from a native name.
   zool.
   any one of numerous species of kangaroos belonging to the
   genus halmaturus, native of australia and tasmania,
   especially the smaller species, as the brush kangaroo
   halmaturus bennettii and the pademelon halmaturus
   thetidis. the wallabies chiefly inhabit the wooded district
   and bushy plains. written also wallabee, and whallabee.
   1913 webster
see also:
wallabies halmaturus halmaturus bennettii halmaturus thetidis wallabee whallabee