kangaroo rat definition

  • noun:
    • any one of numerous long-tailed rodents of this genus Dipodomys of arid areas of western North America, with lengthy hind legs adapted for jumping.
    • Any of a variety of types in genus Dipodomys, rodents that move about by hopping.
    • A jumping rodent of this genus Dipodomys associated with the family members Heteromyidae, which lives in arid areas of Mexico and western U. S.
    • An Australian mammal associated with the genus Notomys.
    • a little ratlike Australian kangaroo associated with the genus Potorous, also known as the potoroo.
    • the potoroo.
    • An Australian marsupial of the family Macropodidœ, subfamily Potoroinœ or Hypsiprymninœ, and genus Potorous (or Hypsiprymnus), Æpiprymnus, or Bettongia; a bettong; a potoroo.
    • An American rodent regarding the family Saccomyidœ and subfamily Dipodomyinœ, as Dipodomys phillipsi or D. ordi. They resemble jerboas versus kangaroos, and therefore are typical inside southwestern areas of the usa and Mexico. See Dipodomys.
    • some of various jumping rodents of desert areas of the united states and Mexico; biggest family members Heteromyidae
    • any one of a number of rabbit-sized ratlike Australian kangaroos

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