/ Dictionary / Index B baroscope: Meaning and Definition of Find definitions for: bar•o•scope Pronunciation: (bar'u-skōp"), [key] — n. an instrument showing roughly the variations in atmospheric pressure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. baroreceptor barosinusitis 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