- (n.) One of numerous genera and species of moths, of the family Geometridae; -- so called because their larvae (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.
- (a.) Pertaining or belonging to the Geometridae.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). geometrid. Retrieved September 24, 2026, from http://smartdefine.org/geometrid/definitions/2011961 |
| Chicago | Webster's. 2011. "geometrid" http://smartdefine.org/geometrid/definitions/2011961 (accessed September 24, 2026). |
| Harvard | Webster's 2011, geometrid, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/geometrid/definitions/2011961>. |
| MLA | Webster's. "geometrid" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/geometrid/definitions/2011961> |