GEOMETRID

a. n.

2 definitions — Webster’s Dictionary (1828)


1.
a.

Pertaining or belonging to the Geometridæ.

2.
n.

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.