/ Dictionary / Index B bonaci: Meaning and Definition of Find definitions for: bo•na•ci Pronunciation: (bō"nu-sē'), [key] — pl. -ci, -cis. any of several edible serranid fishes, as Mycteroperca bonaci. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bona Bona Dea Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language