wombatPronunciation: /ˈwɒmbat/Definition of wombat noun a burrowing plant-eating Australian marsupial which resembles a small bear with short legs. Family Vombatidae: two genera and three species, in particular the common wombat (Vombatus ursinus) Origin: late 18th century: from Dharukwombat in other Oxford dictionaries Definition of wombat in the US English dictionary