/ Dictionary / Index D dbl.: Meaning and Definition of Find definitions for: dbl. Pronunciation: [key] double. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. D.Bib. DBMS Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language