Pronunciation: (kang'kur-wûrm"), [key]
the striped, green caterpillar of any of several geometrid moths: a foliage pest of various fruit and shade trees, as Paleacrita vernata (spring cankerworm) and Alsophila pometaria (fall cankerworm). See illus. under geometrid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.