/ Dictionary / Index B bai: Meaning and Definition of Find definitions for: bai Pronunciation: (bī), [key] — n. a yellow mist occurring in eastern China and Japan during the spring and fall, caused by dust from the interior of China. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bai (Thesaurus) bahuvrihi Baiae Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language