/ Dictionary / Index D dust ball: Meaning and Definition of Find definitions for: dust' ball" Pronunciation: [key] a ball or roll of dust and lint that accumulates indoors, as in corners or under furniture. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dust dust-bathe Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language