Noun oas has 1 sense
  1. Organization of American States, OAS - an association of countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation
    --1 is a kind of world organization, world organisation, international organization, international organisation, global organization
    --1 has members:
     Antigua and Barbuda; Argentina, Argentine Republic, the Argentine; Chile, Republic of Chile; Colombia, Republic of Colombia; Costa Rica, Republic of Costa Rica; Guatemala, Republic of Guatemala; Honduras, Republic of Honduras; El Salvador, Republic of El Salvador, Salvador; Panama, Republic of Panama; Mexico, United Mexican States; Cuba, Republic of Cuba; Haiti, Republic of Haiti; Dominican Republic; Jamaica; Barbados; Trinidad and Tobago, Republic of Trinidad and Tobago; Dominica, Commonwealth of Dominica; Ecuador, Republic of Ecuador; Bahamas, Commonwealth of the Bahamas, Bahama Islands; Bolivia, Republic of Bolivia; Brazil, Federative Republic of Brazil, Brasil; Grenada; Paraguay, Republic of Paraguay; Peru, Republic of Peru; Saint Kitts and Nevis, Federation of Saint Kitts and Nevis, Saint Christopher-Nevis, St. Christopher-Nevis, St. Kitts and Nevis; Saint Lucia, St. Lucia; Saint Vincent and the Grenadines, St. Vincent and the Grenadines; Suriname, Republic of Suriname, Surinam, Dutch Guiana, Netherlands Guiana; United States, United States of America, America, US, U.S., USA, U.S.A.; Uruguay; Venezuela, Republic of Venezuela
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