/ Dictionary / Index B Bío-Bío: Meaning and Definition of Find definitions for: Bí•o-Bí•o Pronunciation: (bē'ô-bē'ô), [key] — n. a river in central Chile, flowing NW from the Andes to the Pacific at Concepción. ab. 240 mi. (384 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. biobibliography biocatalyst Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language