euro (Noun) — The basic monetary unit of many members of the European Union (introduced in 1999); in 2002 twelve European nations (Germany, France, Belgium, Luxembourg, the Netherlands, Italy, Spain, Portugal, Ireland, Greece, Austria, Finland) adopted the euro as their basic unit of money and abandoned their traditional currencies; Slovenia, Cyprus, Malta and Slovakia joined later.
euro (Noun) — Any one of several species of kangaroos of the genus Macropus, especially Macropus robustus (common wallaroo).