/ Dictionary / Index B baroswitch: Meaning and Definition of Find definitions for: bar•o•switch Pronunciation: (bar'u-swich"), [key] — n. a switch actuated by barometric pressure. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. barosinusitis barothermograph 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