/ Dictionary / Index B business class: Meaning and Definition of Find definitions for: busi'ness class" Pronunciation: [key] a class of accommodations on an airliner, usually just below first class. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. business case business college 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