cankerworm
/ˈkæŋkəwɜːm/noun
1- the caterpillar of a North American moth that has wingless females. Cankerworms consume the buds and leaves of trees and can be a major pest.尺蠖。
1.1
- Several species in the family Geometridae, in particular Paleacrita vernata and Alsophila pometaria.尺蛾科中数种, 尤指春尺蠖和桃秋尺蛾。