/ Dictionary / Index G geometrid: Meaning and Definition of Find definitions for: ge•om•e•trid Pronunciation: ( jē-om'i-trid), [key] — adj. belonging or pertaining to the family Geometridae, comprising slender-bodied, broad-winged moths, the larvae of which are called measuring worms. —n. a geometrid moth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: geometrid (Thesaurus) geometric series geometrize Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language