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Brazil, Paraguay, Uruguay, and Venezuela, with associate members Bolivia, Chile, Colombia, Ecuador, and Peru; superceded in 2008 by the Union of South American Nations (Unasur or Unasul), by uniting with the Andean Community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, von der Leyen and European Council President Antonio Costa were to hold online talks with leaders from the Mercosur nations, which include Argentina and Brazil.

From Barron's • May 1, 2026

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 deal will provisionally apply to the Mercosur countries that have ratified it, Gill told reporters, adding the commission anticipated remaining members Brazil and Paraguay would do so "soon".

From Barron's • Feb. 27, 2026

In 1996, Chile became an associate member of Mercosur and concluded a free trade agreement with Canada.

From The 1999 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