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USA

  1. United States of America.
  2. United States Army.
  3. Trademark. USA Network: a cable television channel.
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U.S.A.

  1. a trilogy of novels (1939) by John Dos Passos, consisting of The 42nd Parallel, 1919, and The Big Money.
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U.S.A.

  1. Union of South Africa.
  2. United States of America.
  3. United States Army.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

AmericaColumbiaU.S.U.S.A.USUSA

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British Dictionary definitions for usa

USA

abbreviation for
  1. United States Army
  2. United States of America (international car registration)
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U.S.A.

USA

abbreviation for
  1. United States of America
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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

Word Origin and History for usa

USA

also U.S.A., abbreviation of United States of America, in use by 1814 in addresses, etc.; not common otherwise before c.1920. Before then it often also meant United States Army.

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Online Etymology Dictionary, © 2010 Douglas Harper