Home › Words › W › wandoowandoowandoo means any of various eucalyptus trees with smooth white bark, especially Eucalyptus wandoo.Among words judged in Lexicurio's Arena, wandoo ranks #16,730 of 42,747 for Qualifying.EtymologyFrom a native Australian language.nounAny of various eucalyptus trees with smooth white bark, especially Eucalyptus wandoo.Definitions & examples from Wiktionary (CC BY-SA 3.0).