noun
: any of several slender loopers (family Geometridae) that assume a resting and protective position on the side of a twig to which they attach by the anal prolegs
noun
: any of several slender loopers (family Geometridae) that assume a resting and protective position on the side of a twig to which they attach by the anal prolegs
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012