[ wol-uh-roo ]
/ ˌwɒl əˈru /

noun, plural wal·la·roos, (especially collectively) wal·la·roo.

any of several large kangaroos of the genus Macropus (Osphranter), of the grassy plains of Australia, especially M. robustus, having a reddish-gray coat and inhabiting rocky hills.

Origin of wallaroo

First recorded in 1820–30, wallaroo is from the Dharuk word wa-la-ru
Also called euro.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for wallaroo

/ (ˌwɒləˈruː) /

noun plural -roos or -roo

a large stocky Australian kangaroo, Macropus (or Osphranter) robustus, of rocky regions

Word Origin for wallaroo

C19: from native Australian wolarū
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