Definition of rock rat in English:

rock rat

noun ˈrɒk rat

1Any of various rodents of the family Muridae inhabiting rocky areas; specifically †(a) = rock mouse (obsolete); (b) any of several Australian thick-tailed rats constituting the genus Zyzomys; (c) any of several African bush rats constituting the genus Aethomys (also called rock mouse).
2Any of several rat-like rodents of other families inhabiting rocky areas; specifically (a) the dassie rat, Petromus typicus (family Petromuridae), of southern Africa; (b) either of two burrowing South American rodents constituting the genus Aconaemys (family Octodontidae).

Origin

Early 18th century (in an earlier sense). From rock + rat.

Definition of rock rat in US English:

rock rat

nounˈrɒk rat

1Any of various rodents of the family Muridae inhabiting rocky areas; specifically †(a) = rock mouse (obsolete); (b) any of several Australian thick-tailed rats constituting the genus Zyzomys; (c) any of several African bush rats constituting the genus Aethomys (also called rock mouse).
2Any of several rat-like rodents of other families inhabiting rocky areas; specifically (a) the dassie rat, Petromus typicus (family Petromuridae), of southern Africa; (b) either of two burrowing South American rodents constituting the genus Aconaemys (family Octodontidae).

Origin

Early 18th century (in an earlier sense). From rock + rat.

单词	rock rat
释义	Definition of rock rat in English: rock rat noun ˈrɒk rat 1Any of various rodents of the family Muridae inhabiting rocky areas; specifically †(a) = rock mouse (obsolete); (b) any of several Australian thick-tailed rats constituting the genus Zyzomys; (c) any of several African bush rats constituting the genus Aethomys (also called rock mouse). 2Any of several rat-like rodents of other families inhabiting rocky areas; specifically (a) the dassie rat, Petromus typicus (family Petromuridae), of southern Africa; (b) either of two burrowing South American rodents constituting the genus Aconaemys (family Octodontidae). Origin Early 18th century (in an earlier sense). From rock + rat. Definition of rock rat in US English: rock rat nounˈrɒk rat 1Any of various rodents of the family Muridae inhabiting rocky areas; specifically †(a) = rock mouse (obsolete); (b) any of several Australian thick-tailed rats constituting the genus Zyzomys; (c) any of several African bush rats constituting the genus Aethomys (also called rock mouse). 2Any of several rat-like rodents of other families inhabiting rocky areas; specifically (a) the dassie rat, Petromus typicus (family Petromuridae), of southern Africa; (b) either of two burrowing South American rodents constituting the genus Aconaemys (family Octodontidae). Origin Early 18th century (in an earlier sense). From rock + rat.
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