/ Dictionary / Index B bacilluria: Meaning and Definition of Find definitions for: bac•il•lu•ri•a Pronunciation: (bas"u-loor'ē-u), [key] — n. Pathol. the presence of bacilli in the urine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bacillemia bacillus Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language