1. North Atlantic Treaty Organization - Noun
2. North Atlantic Treaty Organization - Proper noun
an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security
Source: WordNetThe United States works through power blocks like the North Atlantic Treaty Organization and the Quadrilateral Security Dialog. Source: Internet
Today the issue isn’t just one of building a better tank—but also the fundamental question of what role the United Kingdom and its military should or could play in the North Atlantic Treaty Organization military alliance. Source: Internet