The Collaborative International Dictionary of English v.0.48:

Pouched \Pouched\, a. (Zool.)
      (a) Having a marsupial pouch; as, the pouched badger, or
          the wombat.
      (b) Having external cheek pouches; as, the pouched gopher.
      (c) Having internal cheek pouches; as, the pouched
          squirrels.
          [1913 Webster]

   Pouched dog. (Zool.) See Zebra wolf, under Zebra.

   Pouched frog (Zool.), the nototrema, the female of which
      has a dorsal pouch in which the eggs are hatched, and in
      which the young pass through their brief tadpole stage.

   Pouched gopher, or Pouched rat. (Zool.) See Pocket
      gopher, under Pocket.

   Pouched mouse. (Zool.) See Pocket mouse, under Pocket.
      [1913 Webster]

WordNet (r) 3.0 (2006):

pouched mouse
    n 1: any of numerous small sharp-nosed insectivorous marsupials
         superficially resembling mice or rats [syn: pouched
         mouse, marsupial mouse, marsupial rat]