ALL meanings of armyworm
ar·my·worm
A a - noun armyworm 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 3
- noun armyworm any of various similar caterpillars 3
- noun armyworm The larva of any of the Spodoptera genus of noctuid moth, which typically feed in large, destructive groups. 1
- noun armyworm the caterpillar of a noctuid moth, Pseudaletia unipuncta, that often travels in large numbers over a region, destroying crops of wheat, corn, etc. 1
- noun armyworm any of the larvae of several related moths having similar habits. 1