marsupial mouse

noun

any of various mouse-sized to rat-sized marsupials of the family Dasyuridae, occurring in Australia, New Guinea, and Tasmania: some species are rare or endangered.
the mouselike crested-tailed Dasycercus cristicauda of Australian deserts.

Also called marsupial rat.

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British Dictionary definitions for marsupial mouse

marsupial mouse

noun

any mouselike insectivorous marsupial of the subfamily Phascogalinae: family Dasyuridae

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012