/ Dictionary / Index B BDSA: Meaning and Definition of Find definitions for: BDSA Pronunciation: [key] Business and Defense Services Administration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. B.D.S. be Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language