/ Dictionary / Index B bisso: Meaning and Definition of Find definitions for: bis•so Pronunciation: (bis'ō), [key] — n. bis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bissextus bissonata 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