/ Dictionary / Index B binational: Meaning and Definition of Find definitions for: bi•na•tion•al Pronunciation: (bī-nash'u-nl), [key] — adj. of or pertaining to two nations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bination binaural Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language