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noun, plural wal·la·bies, (especially collectively) wal·la·by.
  1. any of various small and medium-sized kangaroos of the genera Macropus, Thylogale, Petrogale, etc., some of which are no larger than rabbits: several species are endangered.

Origin of wallaby

First recorded in 1790–1800, wallaby is from the Dharuk word wa-la-ba
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for wallaby

wombat, koala, kangaroo, possum, opossum, wallaby, bandicoot, euro

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British Dictionary definitions for wallaby


noun plural -bies or -by
  1. any of various herbivorous marsupials of the genera Lagorchestes (hare wallabies), Petrogale (rock wallabies), Protemnodon, etc, of Australia and New Guinea, similar to but smaller than kangaroos: family Macropodidae
  2. on the wallaby or on the wallaby track Australian slang (of a person) wandering about looking for work

Word Origin for wallaby

C19: from native Australian wolabā


noun plural -bies
  1. a member of the international Rugby Union football team of Australia
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

Word Origin and History for wallaby

kind of small kangaroo, 1826, from native Australian wolaba.

Online Etymology Dictionary, © 2010 Douglas Harper