Breadcrumb Home > Dictionary > Index G Guillaume: Meaning and Definition of Find definitions for: Guil•laume Pronunciation: (Fr. gē-yōm'), [key] 1861–1938, Swiss physicist: Nobel prize 1920. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Guillain-Barré syndrome Guillaume de Machaut TrendingHere are the facts and trivia that people are buzzing about. Star Trek: First Contact Current Events This Week: September 2023 Countries with the Highest Literacy Rates 50 Funniest "Futurama" Quotes Dangerous Animals: Scorpions, Bears, and Poison-Dart Tree Frogs State Capitals and Largest Cities (& Some Common Questions) ✖ Related Content Daily Word Quiz: camenae Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language