any of a large family (Geometridae) of moths, typically having broad wings: the slender larvae are called measuring worms, inchworms, etc.
Origin of geometridfrom Modern Latin Geometridae from Classical Latin geometres: see geometry
Any of various moths of the family Geometridae, having caterpillars commonly known as inchworms that move by looping the body in alternate contractions and expansions. Also called geometer .
Origin of geometridFrom New Latin Geōmetridae family name from Latin geōmetrēs geometrician, land-measurer ( the family being so named because the caterpillars seem to measure the surface on which they crawl by the length of their bodies ) from Greek from geōmetrein to measure land ; see geometry .