Geometridae
plural noun
Ge·o·met·ri·dae
ˌjēəˈme‧trəˌdē
: a family of chiefly medium-sized and slender-bodied moths with large wings and larvae that are loopers and that often feed destructively on various trees and cultivated plants
Word History
Etymology
New Latin, from Latin geometres, geometra geometer + New Latin -idae; from the looping movement, suggestive of earth measurement