Geometrid /(?)/

Ge·om·e·trid

Geometrid

a.
  1. Pertaining or belonging to the Geometridæ. (Zool.)

Geometrid

n.
  1. One of numerous genera and species of moths, of the family Geometridæ; -- so called because their larvæ (called loopers, measuring worms, spanworms, and inchworms) creep in a looping manner, as if measuring. Many of the species are injurious to agriculture, as the cankerworms. (Zool.)