/ Dictionary / Index T tumblebug: Meaning and Definition of Find definitions for: tum•ble•bug Pronunciation: (tum'bul-bug"), [key] — n. any of several dung beetles that roll balls of dung in which they deposit their eggs and in which the young develop. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tumblebug (Thesaurus) tumble tumble cart Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language