/ Dictionary / Index B breath test: Meaning and Definition of Find definitions for: breath' test" Pronunciation: [key] a test by breath analyzer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. breathtaking breathy Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language