/kang"keuhr werrm'/ , n.
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 .
[ 1520-30; CANKER + WORM ]