armyworm
the larva of the noctuid moth Pseudaletia unipuncta, which advances over a region in massive numbers, suggestive of an army, destroying crops of grain and vegetables.
any moth larva that is similar to the noctuid Pseudaletia unipuncta in its habit of advancing over a region in massive numbers, suggestive of an army, destroying agricultural crops.
Origin of armyworm
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
British Dictionary definitions for army worm
the caterpillar of a widely distributed noctuid moth, Leucania unipuncta, which travels in vast hordes and is a serious pest of cereal crops in North America
any of various similar caterpillars
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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