/ Dictionary / Index G guaguanche: Meaning and Definition of Find definitions for: gua•guan•che Pronunciation: (gwu-gwän'chē), [key] — n. a barracuda, Sphyraena guachanco, found chiefly off the coast of Florida. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Guadiana guaiac Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language