/ Dictionary / Index G guilloche: Meaning and Definition of Find definitions for: guil•loche Pronunciation: (gi-lōsh'), [key] — n. an ornamental pattern or border, as in architecture, consisting of paired ribbons or lines flowing in interlaced curves around a series of circular voids. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: guilloche (Thesaurus) Guillén guillotine Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language