jackarooPronunciation: /ˌdʒakəˈruː/ (also jackeroo) Australian/NZ informalDefinition of jackaroo noun a young man working on a sheep or cattle station to gain experience. verb (usually jackeroo) [no object] work as a jackaroo. Origin: late 19th century: perhaps a blend of jack1 and kangaroojackaroo in other Oxford dictionaries Definition of jackaroo in the US English dictionary
