Noun | 1. | ![]() OAS, Organization of American States - an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation Triple Frontier - the border area where Argentina and Brazil and Paraguay meet; an active South American center for contraband and drug trafficking and money laundering; a suspected locale for Islamic extremist groups Asuncion, capital of Paraguay - the capital and chief port of Paraguay Parana, Parana River - a South American river; tributary of Rio de la Plata South America - a continent in the western hemisphere connected to North America by the Isthmus of Panama Paraguayan - a native or inhabitant of Paraguay |