/ Dictionary / Index G Guillaume de Machaut: Meaning and Definition of Find definitions for: Guil•laume de Ma•chaut Pronunciation: (gē-yōm du ma-shō'), [key] 1300–77, French poet and composer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Guillaume guillemet Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language