Dictionary
ar•my•worm
Pronunciation: (är'mē-wûrm"), [key]—
n.
1. the caterpillar of a noctuid moth,
Pseudaletia unipuncta, that often travels in large numbers over a region, destroying crops of wheat, corn, etc.
2. any of the larvae of several related moths having similar habits.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.