Mercosur

/ ˈmɜːkəˌsə /

noun

1. a trading block composed of Argentina, Brazil, Paraguay, Uruguay, and Venezuela, with associate members Bolivia, Chile, Colombia, Ecuador, and Peru; superceded in 2008 by the Union of South American Nations (Unasur or Unasul), by uniting with the Andean Community

Word History and Origins

Origin of Mercosur¹

C20: from Spanish Mercado Común del Cono Sur common market of the southern cone