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Definition of Cankerworm
1. Noun. Green caterpillar of a geometrid moth; pest of various fruit and shade trees.
Group relationships: Family Geometridae, Geometridae
Specialized synonyms: Spring Cankerworm, Fall Cankerworm
Generic synonyms: Caterpillar
Specialized synonyms: Spring Cankerworm, Fall Cankerworm
Generic synonyms: Caterpillar
Definition of Cankerworm
1. n. The larva of two species of geometrid moths which are very injurious to fruit and shade trees by eating, and often entirely destroying, the foliage. Other similar larvæ are also called cankerworms.
Definition of Cankerworm
1. [n -S]