/ Dictionary / Index B bass reflex: Meaning and Definition of Find definitions for: bass' re"flex Pronunciation: (bās), [key] a loudspeaker equipped with a baffle having openings designed to improve the reproduction of low-frequency sounds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. basso-relievo bass response Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language