Arc de Triomphe

UK: English: /ˈɑːk də ˈtriːəʊmf/, French: /ark də trijɔ̃f/

US: (ark də trē ônf′)

WordReference Random House Unabridged Dictionary of American English © 2025

Arc de Tri•omphe  (ark də trē ônf′), 

1. Place Names 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.

Also, Arc de Tri•omphe de l'É•toile′  (ark də trē ônf′ də lā twal′). 

• French: arch of triumph

Collins Concise English Dictionary © HarperCollins Publishers::

Arc de Triomphe / ˈɑːk də ˈtriːəʊmf ark də trijɔ̃f/ noun

1. the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836