ˌjēəˈme.trəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Latin geometres, geometra geometer + New Latin -idae; from the looping movement, suggestive of earth measurement — more at geometer
: 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