OAS n 1: an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation [syn: {Organization of American States}, {OAS}]
OAS \OAS\ n. The Organization of American States an international association of countries in the Western hemisphere. It was created in 1948 to promote military and economic and social and cultural cooperation. [acronym] Syn: Organization of American States. [WordNet 1.5]