[ ahr-mee ]
See synonyms for army on
noun,plural ar·mies.
  1. the military forces of a nation, exclusive of the navy and in some countries the air force.

  2. (in large military land forces) a unit consisting typically of two or more corps and a headquarters.

  1. a large body of persons trained and armed for war.

  2. any body of persons organized for any purpose: an army of census takers.

  3. a very large number or group of something; a great multitude; a host: the army of the unemployed.

Origin of army

1350–1400; Middle English armee<Middle French <Latin armāta.Cf. Armada

Other words from army

  • pro·ar·my, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use army in a sentence

British Dictionary definitions for army


/ (ˈɑːmɪ) /

nounplural -mies
  1. the military land forces of a nation

  2. a military unit usually consisting of two or more corps with supporting arms and services

  1. (modifier) of, relating to, or characteristic of an army: army rations

  2. any large body of people united for some specific purpose

  3. a large number of people, animals, etc; multitude

Origin of army

C14: from Old French armee, from Medieval Latin armāta armed forces; see armada

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