/ Dictionary / Index D Du Guesclin: Meaning and Definition of Find definitions for: Du Gues•clin Pronunciation: (dy ge-klan'), [key] (“the Eagle of Brittany”), c1320–80, French military leader: constable of France 1370–80. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dugout Duhamel Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language