can·ker·worm (k ng k r-wûrm )n. The larva of either of two moths (Paleacrita vernata or Alsophila pometaria), destructive to fruit and shade trees. |
cankerworm [ˈkæŋkəˌwɜːm]
n
(Life Sciences & Allied Applications / Animals) the larva of either of two geometrid moths, Paleacrita vernata or Alsophila pometaria, which feed on and destroy fruit and shade trees in North America
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  cankerworm - green caterpillar of a geometrid moth; pest of various fruit and shade treesfamily Geometridae, Geometridae - measuring worms spring cankerworm - variably colored looper; larva of Paleacrita vernata fall cankerworm - green or brown white-striped looper; larva of Alsophila pometaria caterpillar - a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth |
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