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army ant

any of the chiefly tropical ants of the suborder Dorylinae that travel in vast swarms, preying mainly on other insects.
Also called driver ant, legionary ant.
Origin of army ant
First recorded in 1870-75 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for army ant
Historical Examples
  • I realized at last that I was looking at an actual moving of a portion of the army ant household itself.

    Jungle Peace William Beebe
  • It was here that I realized my good fortune and the achievement of my desires, when I first saw an army ant at rest.

    Edge of the Jungle William Beebe
  • Harmless save when interfered with—all save the army ant, that is—the whole ant tribe was formidable when aroused.

    The Mad Planet Murray Leinster
British Dictionary definitions for army ant

army ant

any of various mainly tropical American predatory ants of the subfamily Dorylinae, which live in temporary nests and travel in vast hordes preying on other animals Also called legionary ant See also driver ant
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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