/ Dictionary / Index C Cuiabá: Meaning and Definition of Find definitions for: Cu•ia•bá Pronunciation: (k"yu-bä'), [key] — n. a river in SW Brazil. ab. 300 mi. (485 km) long. a port in W Brazil, on the Cuiabá River. 219,262. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cui cui bono* Related Content Daily Word Quiz: reiterate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language