driver antn. Any of various army ants of the genus Dorylus of Africa and Asia.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.driver ant n (Animals) any of various tropical African predatory ants of the subfamily Dorylinae, which live in temporary nests and travel in vast hordes preying on other animals. See also army ant Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014ar?my ant` n. any of various chiefly tropical ants of the subfamily Dorylinae, traveling in vast swarms and preying mainly on other insects. Also called driver ant. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.