/ Dictionary / Index G ground beetle: Meaning and Definition of Find definitions for: ground' bee"tle Pronunciation: [key] any of numerous nocturnal, terrestrial beetles of the family Carabidae that feed chiefly on other insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ground beam groundbreaker Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language