Any of various rodents of the family Muridae inhabiting rocky areas; spec. †(a) = rock mouse, n. 1(a) (obsolete); (b) any of several Australian…

An African genus of herbivorous vole-like rodents of the family Muridae which inhabit damp grassy areas and are characterized by a groove in each…

(a) any of several large Australian tree rats constituting the genera Conilurus and Mesembriomys, which have relatively long ears and a long…

The popular name of certain American mice; esp. the widely-distributed white-footed mouse (Hesperomys leucopus) brown above and white beneath; also…

a rodent belonging to the genus Rhizomys, found in Malacca.

U.S. A rodent, Neofiber alleni (family Muridae), resembling the muskrat (sense 1a) but smaller and with a round tail, found in swamps and…

An animal belonging to this class.

any of several North American mice of the genus Onychomys, which live in burrows and feed largely on arthropods and other mice; also with…

the striped rat of South Africa.

In numerous specific names of animals, plants, and minerals (see quots.); also striped bass, a large North American freshwater or marine bass of the…

Used attributively to designate an inbred strain of rat much used in laboratories.