The Collaborative International Dictionary of English v.0.48:

Jumping \Jump"ing\, p. a. & vb. n.
   of Jump, to leap.
   [1913 Webster]

   Jumping bean, a seed of a Mexican Euphorbia, containing
      the larva of a moth (Carpocapsa saltitans). The larva by
      its sudden movements causes the seed to roll to roll and
      jump about.

   Jumping deer (Zool.), a South African rodent (Pedetes
      Caffer), allied to the jerboa.

   Jumping louse (Zool.), any of the numerous species of plant
      lice belonging to the family Psyllid[ae], several of
      which are injurious to fruit trees.

   Jumping mouse (Zool.), North American mouse (Zapus
      Hudsonius), having a long tail and large hind legs. It is
      noted for its jumping powers. Called also kangaroo
      mouse.

   Jumping mullet (Zool.), gray mullet.

   Jumping shrew (Zool.), any African insectivore of the genus
      Macroscelides. They are allied to the shrews, but have
      large hind legs adapted for jumping.

   Jumping spider (Zool.), spider of the genus Salticus and
      other related genera; one of the Saltigrad[ae]; -- so
      called because it leaps upon its prey.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

kangaroo \kan"ga*roo"\, n. [Said to be the native name.] (Zool.)
   Any one of numerous species of jumping marsupials of the
   family Macropodid[ae]. They inhabit Australia, New Guinea,
   and adjacent islands, They have long and strong hind legs and
   a large tail, while the fore legs are comparatively short and
   feeble. The giant kangaroo (Macropus major) is the largest
   species, sometimes becoming twelve or fourteen feet in total
   length. The tree kangaroos, belonging to the genus
   Dendrolagus, live in trees; the rock kangaroos, of the
   genus Petrogale, inhabit rocky situations; and the brush
   kangaroos, of the genus Halmaturus, inhabit wooded
   districts. See Wallaby.
   [1913 Webster]

   Kangaroo apple (Bot.), the edible fruit of the Tasmanian
      plant Solanum aviculare.

   Kangaroo grass (Bot.), a perennial Australian forage grass
      (Anthistiria australis).

   Kangaroo hare (Zool.), the jerboa kangaroo. See under
      Jerboa.

   Kangaroo mouse. (Zool.) See Jumping mouse, under
      Jumping.
      [1913 Webster]

WordNet (r) 3.0 (2006):

kangaroo mouse
    n 1: small silky-haired pouched rodent; similar to but smaller
         than kangaroo rats [syn: kangaroo mouse, dwarf pocket
         rat]
    2: leaping rodent of Australian desert areas