/ Dictionary / Index G guillemet: Meaning and Definition of Find definitions for: guil•le•met Pronunciation: (gil'u-met"Fr.gē&supschwa-mā'), [key] one of two marks « or » used in French, Italian, and Russian printing to enclose quotations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Guillaume de Machaut Guillemin Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language