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armyworm

 - 2 dictionary results

ar⋅my⋅worm

[ahr-mee-wurm]
–noun
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.

Origin:
1735–45, Americanism; army + worm
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ar·my·worm   (är'mē-wûrm')   
n.  A caterpillar belonging to either of two genera of moth, Pseudaletia or Spodoptera, large groups of which destroy crops and other vegetation.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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