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[ney-toh] /ˈneɪ toʊ/
an organization formed in Washington, D.C. (1949), comprising the 12 nations of the Atlantic Pact together with Greece, Turkey, and the Federal Republic of Germany, for the purpose of collective defense against aggression.
Origin of NATO
N(orth) A(tlantic) T(reaty) O(rganization) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for NATO
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  • NATO and the international peacekeeping force against an unholy – and, until recently, improbable – alliance.

    After the Rain Sam Vaknin
  • NATO, struggling to redefine itself and perpetuate its totally superfluous existence.

    After the Rain Sam Vaknin
British Dictionary definitions for NATO


noun acronym
North Atlantic Treaty Organization, an international organization composed of the US, Canada, Britain, and a number of European countries: established by the North Atlantic Treaty (1949) for purposes of collective security. In 1994 it launched the Partnership for Peace initiative, in order to forge alliances with former Warsaw Pact countries; in 1997 a treaty of cooperation with Russia was signed and in 1999 Hungary, Poland, and the Czech Republic became full NATO members
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for NATO

acronym of North Atlantic Treaty Organization, which was set up in 1949.

Online Etymology Dictionary, © 2010 Douglas Harper
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