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 Guiana - a geographical region of northeastern South America including Guyana and Surinam capital of Suriname, Paramaribo - the capital and largest city and major port of Surinam Surinam River, Suriname River - a river in Suriname that flows northward to the Atlantic |