/ Dictionary / Index D dust cover: Meaning and Definition of Find definitions for: dust' cov"er Pronunciation: [key] a cloth or plastic covering used to protect furniture or equipment, as during a period of nonuse. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dust counter dust devil Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language