/ Dictionary / Index B barosinusitis: Meaning and Definition of Find definitions for: bar•o•si•nus•i•tis Pronunciation: (bar"u-sī"nu-sī'tis), [key] — n. Med. aerosinusitis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. baroscope baroswitch 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