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army ant

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noun
any of the chiefly tropical ants of the suborder Dorylinae that travel in vast swarms, preying mainly on other insects.
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Also called driver ant, legionary ant.

Origin of army ant

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use army ant in a sentence

British Dictionary definitions for army ant

army ant

noun
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 animalsAlso 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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