Mercosur

British

/ ˈmɜːkəˌsə /

noun

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Brazil, Paraguay, Uruguay, and Venezuela, with associate members Bolivia, Chile, Colombia, Ecuador, and Peru; superceded in 2008 by the Union of South American Nations (Unasur or Unasul), by uniting with the Andean Community

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Mercosur

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To mark the day, EU chiefs von der Leyen and Antonio Costa will hold online talks with leaders from the Mercosur nations, which include Argentina and Brazil.

From Barron's • May 1, 2026

A trade deal with the four South American countries that founded the Mercosur customs union is expected to start taking effect in the EU this spring.

From The Wall Street Journal • Mar. 24, 2026

The fact that Mercosur and then the EU-India agreements were finally concluded—again, I think that’s tribute to the pressure under which Europe is.

From The Wall Street Journal • Feb. 21, 2026

Miguel Angel Aguilera, president of agricultural organisation Unaspi, warned the deal with the Mercosur bloc would affect all citizens.

From Barron's • Feb. 11, 2026

In 1996, Chile became an associate member of Mercosur and concluded a Free Trade Agreement with Canada.

From The 1998 CIA World Factbook by United States. Central Intelligence Agency

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023