/ Dictionary / Index G gules: Meaning and Definition of Find definitions for: gules Pronunciation: (gylz), [key] — Heraldry. Heraldry. —n. the tincture red. —adj. of the tincture red: a lion gules. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gülek Bo&gcaron;az gulf Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language