/ Dictionary / Index A Arc de Triomphe: Meaning and Definition of Find definitions for: Arc de Tri•omphe Pronunciation: (ark du trē-ônf'), [key] an arch, located in Paris, begun in 1806 by Napoleon in honor of his victorious armies and completed in 1836. The unknown soldier of France and the eternal flame were placed beneath the arch after World War I. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arc, d' Arce Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language