1. (noun)
kangaroo rat, desert rat, Dipodomys phillipsii
- any of various leaping rodents of desert regions of North America and Mexico; largest members of the family Heteromyidae Synonyms: rat kangaroo, desert rat, kangaroo rat
2. (noun)
rat kangaroo, kangaroo rat
- any of several rabbit-sized ratlike Australian kangaroos Synonyms: rat kangaroo, desert rat, kangaroo rat