rock rat

Short definition from Wiktionary

Noun

1. 1
   Certain members of the subfamily Murinae in the family Muridae, those in: Zyzomys, an Australian genus
2. 2
   Certain members of the subfamily Murinae in the family Muridae, those in: Aethomys, of Africa
3. 3
   Petromyscus, a southwestern African genus in the subfamily Petromyscinae of the family Nesomyidae (more frequently referred to as rock mice)
4. 4
   Aconaemys, a genus in Argentina and Chile, of the family Octodontidae
5. 5
   Petromus, an African genus often called dassie rats, of the family Petromuridae
6. 6
   Laonastes, a genus from Laos, of the family Diatomyidae