Cankerworm

[kænŋkәwә:m]

Definition

(noun.) green caterpillar of a geometrid moth; pest of various fruit and shade trees.

Edited by Benson--From WordNet

Definition

(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 larvae are also called cankerworms.

Editor: Sidney