Definify.com
Webster 1913 Edition
Geometrid
Ge-om′e-trid
,Adj.
(Zool.)
Pertaining or belonging to the
Geometridæ
. Ge-om′e-trid
,Noun.
(Zool.)
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.